Which of the following interchanges of signs would make the given equation correct?
57 − 19 × 18 + 9 ÷ 45 = 18
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. ÷ and −.
Given equation: 57 − 19 × 18 + 9 ÷ 45 = 18
On interchanging the numbers:
57 ÷ 19 × 18 + 9 − 45 = 18
54 + 9 - 45 = 18
63 - 45 = 18
18 = 18