Which two signs should be interchanged to make the given equation correct?
2 - 8 ÷ 4 = 6 x 3 + 18
Answer & explanation
Correct answer: option 2
In the equation: 2 - 8 ÷ 4 = 6 x 3 + 18, if we interchange = and +,
the new equation is: 2 - 8 ÷ 4 + 6 x 3 = 18
Using BODMAS rule,
2 - 8 ÷ 4 + 6 x 3 = 18
⇒ 2 - 2 + 18 = 18
LHS = RHS
Thus, the above change makes the equation correct.