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-45+1.5x=-7.5
We move all terms to the left:
-45+1.5x-(-7.5)=0
We add all the numbers together, and all the variables
1.5x-37.5=0
We move all terms containing x to the left, all other terms to the right
1.5x=37.5
x=37.5/1.5
x=25
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