Answer:
8.4 is not the solution
Explanation:
The correct solution would be 7.1
y = 8.4 is not a solution
15.5 - y = 7.9 Subtract 15.5 from each side
-y = -7.6 Multiply each side by -1
y = 7.6
y ≠ 8.4. The correct solution is 7.6 .
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