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-(.5-x)=3
We move all terms to the left:
-(.5-x)-(3)=0
We add all the numbers together, and all the variables
-(-1x+0.5)-3=0
We get rid of parentheses
1x-0.5-3=0
We add all the numbers together, and all the variables
x-3.5=0
We move all terms containing x to the left, all other terms to the right
x=3.5
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