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130=38.88+.50x
We move all terms to the left:
130-(38.88+.50x)=0
We add all the numbers together, and all the variables
-(.50x+38.88)+130=0
We get rid of parentheses
-.50x-38.88+130=0
We add all the numbers together, and all the variables
-0.5x+91.12=0
We move all terms containing x to the left, all other terms to the right
-0.5x=-91.12
x=-91.12/-0.5
x=182+0.12/0.5
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