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8=3.5x
We move all terms to the left:
8-(3.5x)=0
We add all the numbers together, and all the variables
-(+3.5x)+8=0
We get rid of parentheses
-3.5x+8=0
We move all terms containing x to the left, all other terms to the right
-3.5x=-8
x=-8/-3.5
x=2+1/3.5
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