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-39=0.75x
We move all terms to the left:
-39-(0.75x)=0
We add all the numbers together, and all the variables
-(+0.75x)-39=0
We get rid of parentheses
-0.75x-39=0
We move all terms containing x to the left, all other terms to the right
-0.75x=39
x=39/-0.75
x=-52
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