Question

Y + 8.3 = 12.7 show me how to got the answer

Answer 1

The answer is 4.4

You just simply subtract. The equation is
12.7-8.3 which would get you 4.4

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Answer 2

Y + 8.3 = 12.7.....subtract 8.3 from both sides
y + 8.3 - 8.3 = 12.7 - 8.3...simplify
y = 4.4 <===

u can also check ur answer...
4.4 + 8.3 = 12.7
12.7 = 12.7 ...correct