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130=38.71+0.50x
We move all terms to the left:
130-(38.71+0.50x)=0
We add all the numbers together, and all the variables
-(0.50x+38.71)+130=0
We get rid of parentheses
-0.50x-38.71+130=0
We add all the numbers together, and all the variables
-0.5x+91.29=0
We move all terms containing x to the left, all other terms to the right
-0.5x=-91.29
x=-91.29/-0.5
x=182+0.29000000000001/0.5
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