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-0.75x+x=-8.25
We move all terms to the left:
-0.75x+x-(-8.25)=0
We add all the numbers together, and all the variables
0.25x+8.25=0
We move all terms containing x to the left, all other terms to the right
0.25x=-8.25
x=-8.25/0.25
x=-33
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