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142x=4x-11+3x
We move all terms to the left:
142x-(4x-11+3x)=0
We add all the numbers together, and all the variables
142x-(7x-11)=0
We get rid of parentheses
142x-7x+11=0
We add all the numbers together, and all the variables
135x+11=0
We move all terms containing x to the left, all other terms to the right
135x=-11
x=-11/135
x=-11/135
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