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0.5(7.5-x)=x
We move all terms to the left:
0.5(7.5-x)-(x)=0
We add all the numbers together, and all the variables
0.5(-1x+7.5)-x=0
We add all the numbers together, and all the variables
-1x+0.5(-1x+7.5)=0
We multiply parentheses
-1x-0.5x+3.75=0
We add all the numbers together, and all the variables
-1.5x+3.75=0
We move all terms containing x to the left, all other terms to the right
-1.5x=-3.75
x=-3.75/-1.5
x=2+0.75/1.5
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