Question

-3+y=8 What is the answer

Answer 1

The answer is 11.

-3+y=8
y= 8+3
y=11
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Okay.

-3x+y=8
y=8+3x or y=3x+8

Or x = (y-8)/3

Answer 2

I thank the answer is 11 if are trying to figure out what the y='s