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8.5x-11.5+8.5x-11.5=14x+4
We move all terms to the left:
8.5x-11.5+8.5x-11.5-(14x+4)=0
We add all the numbers together, and all the variables
17x-(14x+4)-23=0
We get rid of parentheses
17x-14x-4-23=0
We add all the numbers together, and all the variables
3x-27=0
We move all terms containing x to the left, all other terms to the right
3x=27
x=27/3
x=9
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