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142+2x=8x+50
We move all terms to the left:
142+2x-(8x+50)=0
We get rid of parentheses
2x-8x-50+142=0
We add all the numbers together, and all the variables
-6x+92=0
We move all terms containing x to the left, all other terms to the right
-6x=-92
x=-92/-6
x=15+1/3
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