If the signs are interchanged as follows:
-
'' means ''
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'-' means '÷'
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'' means '+'
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'+' means '-'
Choose the correct equation from the options below.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 84 + 5 = 7.
Option 1: 8 × 4 + 5 = 7
On interchanging the sign:
8 + 4 - 5 = 7
12 - 5 = 7
7 = 7