By interchanging which two signs the equation will be correct?
$$19 + 63 \div 7 - 8 \times 12 = 79$$
For this question we have to go by option, so when we replace $$-Ā andĀ \times$$ as per option A,
$$19 + 63 \div 7 \times 8 - 12 = 79$$
$$19 + {\frac{63}{7}}\times 8 - 12 = 79$$
$$19 + {9\times8} - 12 = 79$$
$$19 + 72 - 12 = 79$$
$$79 = 79$$
Therefore option A is the answer.
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