Answer:
Alternatively, you may use addition to solve
Explanation:
5+5 = 10 and 5+7 = 12, and we know that 10+10 = 20
Just add the number 2 from the number 12 to 20, and you have the same answer
Add 5 x 3 + 7
5 x 3 + 715 + 722
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