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