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x+7.5/(-2)=(-18.5
We move all terms to the left:
x+7.5/(-2)-((-18.5)=0
We add all the numbers together, and all the variables
x+7.5/(-2)=0
We multiply all the terms by the denominator
x*(-2)+7.5=0
We multiply parentheses
-2x+7.5=0
We move all terms containing x to the left, all other terms to the right
-2x=-7.5
x=-7.5/-2
x=3+1/1.3333333333333
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