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50=-8-a/2
We move all terms to the left:
50-(-8-a/2)=0
We add all the numbers together, and all the variables
-(-a/2-8)+50=0
We get rid of parentheses
a/2+8+50=0
We multiply all the terms by the denominator
a+8*2+50*2=0
We add all the numbers together, and all the variables
a+116=0
We move all terms containing a to the left, all other terms to the right
a=-116
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