Which two signs should be swapped to correct the following?
28 ÷ 4 × 3 - 5 + 7 = 19
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. + and –.
Given equation: 28 ÷ 4 × 3 - 5 + 7 = 19
On interchanging the sign:
28 ÷ 4 × 3 + 5 - 7 = 19
21 + 5 - 7 = 19
26 - 7 = 19
19 = 19