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85=50+0.28x
We move all terms to the left:
85-(50+0.28x)=0
We add all the numbers together, and all the variables
-(0.28x+50)+85=0
We get rid of parentheses
-0.28x-50+85=0
We add all the numbers together, and all the variables
-0.28x+35=0
We move all terms containing x to the left, all other terms to the right
-0.28x=-35
x=-35/-0.28
x=124+0.27999999999999/0.28
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