Which of the following interchange of signs would make the given equation correct?
87 − 3 + 39 ÷ 67 × 3 = −133
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ÷ and −.
Given equation: 87 − 3 + 39 ÷ 67 × 3 = −133
Option 1: ÷ and −
After interchanging the expression becomes:
= 87 ÷ 3 + 39 - 67 × 3 = −133
= 29 + 39 - 67 × 3
= 29 + 39 - 201
= -133 is equal to -133.
As we have found our answer, there is no need to check further options.
Hence, option 1 is the correct answer.