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4+-7y/8=-3
We move all terms to the left:
4+-7y/8-(-3)=0
We add all the numbers together, and all the variables
-7y/8+7=0
We multiply all the terms by the denominator
-7y+7*8=0
We add all the numbers together, and all the variables
-7y+56=0
We move all terms containing y to the left, all other terms to the right
-7y=-56
y=-56/-7
y=+8
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