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142=3x+8
We move all terms to the left:
142-(3x+8)=0
We get rid of parentheses
-3x-8+142=0
We add all the numbers together, and all the variables
-3x+134=0
We move all terms containing x to the left, all other terms to the right
-3x=-134
x=-134/-3
x=44+2/3
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