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8-3.75x=-4
We move all terms to the left:
8-3.75x-(-4)=0
We add all the numbers together, and all the variables
-3.75x+12=0
We move all terms containing x to the left, all other terms to the right
-3.75x=-12
x=-12/-3.75
x=3+0.75/3.75
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