Airforce X Y / Indian Navy SSR Exam > Airforce X Y / Indian Navy SSR Questions > Find the value ofxandyifx+y = 6and4x+7y = 36....
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Find the value of x and y if x+y = 6 and 4x+7y = 36.
- a)2, 4
- b)4, 2
- c)1, 1
- d)0, 0
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Find the value ofxandyifx+y = 6and4x+7y = 36.a)2, 4b)4, 2c)1, 1d)0, 0C...
Given:
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
Most Upvoted Answer
Find the value ofxandyifx+y = 6and4x+7y = 36.a)2, 4b)4, 2c)1, 1d)0, 0C...
Given:
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
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Community Answer
Find the value ofxandyifx+y = 6and4x+7y = 36.a)2, 4b)4, 2c)1, 1d)0, 0C...
Given:
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
If x+y = 6 and 4x+7y = 36
According to the question,
x+y = 6------(1)
4x+7y = 36------(2)
Multiply by 4 in equation (1)
⇒ 4x+4y = 24------(3)
Subtract equation (2) from equation (3)
⇒ 4x+7y−4x−4y = 36−24
⇒ 3y = 12
⇒ y = 4
Putting y=4 in equation (1)
⇒ x = 6−4
⇒ x = 2
∴ The value of x and y is 2 and 4.
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Find the value ofxandyifx+y = 6and4x+7y = 36.a)2, 4b)4, 2c)1, 1d)0, 0Correct answer is option 'A'. Can you explain this answer?
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