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0.75x+5-0.5x=3
We move all terms to the left:
0.75x+5-0.5x-(3)=0
We add all the numbers together, and all the variables
0.25x+2=0
We move all terms containing x to the left, all other terms to the right
0.25x=-2
x=-2/0.25
x=-8
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