Class 10 Exam  >  Class 10 Questions  >  A pair of linear equations which has a unique... Start Learning for Free
A pair of linear equations which has a unique solution x = 2, y = - 3 is

  • a)
    x + y = -1; 2x - 3y = -5

  • b)
    x - 4y - 14 = 0; 5x - y - 13 = 0

  • c)
    2x - y = 1 ; 3x + 2y = 0

  • d)
    2x + 5y = -11; 4x + 10y = -23 

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A pair of linear equations which has a unique solution x = 2, y = - 3 ...
x - 4y -14 = 0


x = 4y+14


putting this in 5x - y -13 = 0


5(4y+14) - y -13 =0


19y = -57     


y = -3


putting y = -3 in x = 4y+14


x = 4(-3)+14


x = 2


so option b is correct
View all questions of this test
Most Upvoted Answer
A pair of linear equations which has a unique solution x = 2, y = - 3 ...
I think the question is wrong because a1/a2= b1/b2 in this option (B)and we know that for having a unique solution a1/a2 must not be equal to b1/b2
Free Test
Community Answer
A pair of linear equations which has a unique solution x = 2, y = - 3 ...
Haa yrr meko bhi glt lag raha tha tabhi toh answer nahi kiya is question ka ( bakki pata nahi ki sach me glt tha )
Attention Class 10 Students!
To make sure you are not studying endlessly, EduRev has designed Class 10 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 10.
Explore Courses for Class 10 exam

Top Courses for Class 10

A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer?
Question Description
A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer?.
Solutions for A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free.
Here you can find the meaning of A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer?, a detailed solution for A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice A pair of linear equations which has a unique solution x = 2, y = - 3 isa)x + y = -1; 2x - 3y = -5b)x - 4y - 14 = 0; 5x - y - 13 = 0c)2x - y = 1 ; 3x + 2y = 0d)2x + 5y = -11; 4x + 10y = -23Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 10 tests.
Explore Courses for Class 10 exam

Top Courses for Class 10

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev