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Which of the following interchanges of signs would make the given equation correct ?
49 - 7 + 7 = 14
- a)+ and -
- b)- and ÷
- c)- and +
- d)÷ and -
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Which of the following interchanges of signs would make the given equ...
49 - 7 + 7 = 14
On replacing signs,
49 ÷ 7 + 7 = 14
⇒ 7 + 7 = 14
⇒ 14 = 14
Most Upvoted Answer
Which of the following interchanges of signs would make the given equ...
Interchanging signs to make the equation correct
Explanation:
Interchanging signs involves changing the operation of addition to subtraction or vice versa. In this case, we are looking for the interchange that will make the equation correct.
Therefore, the correct interchange of signs that would make the given equation correct is Option b) - and ÷, resulting in the equation 49 ÷ 7 + 7 = 14.
- Given equation: 49 - 7 + 7 = 14
Explanation:
Interchanging signs involves changing the operation of addition to subtraction or vice versa. In this case, we are looking for the interchange that will make the equation correct.
- Option a) + and -: If we interchange the addition and subtraction signs, the equation would become 49 + 7 - 7 = 14. This does not change the result of the equation.
- Option b) - and ÷: If we interchange the subtraction and division signs, the equation would become 49 ÷ 7 + 7 = 14. This change alters the equation significantly and could potentially result in a correct answer.
- Option c) - and +: If we interchange the subtraction and addition signs, the equation would become 49 - 7 - 7 = 14. This does not change the result of the equation.
- Option d) ÷ and -: If we interchange the division and subtraction signs, the equation would become 49 - 7 ÷ 7 = 14. This change alters the equation significantly and could potentially result in a correct answer.
Therefore, the correct interchange of signs that would make the given equation correct is Option b) - and ÷, resulting in the equation 49 ÷ 7 + 7 = 14.
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Which of the following interchanges of signs would make the given equation correct ?49 - 7 + 7 = 14a)+ and -b)- and ÷c)- and +d)÷ and -Correct answer is option 'B'. Can you explain this answer?
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