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31=-3-4x
We move all terms to the left:
31-(-3-4x)=0
We add all the numbers together, and all the variables
-(-4x-3)+31=0
We get rid of parentheses
4x+3+31=0
We add all the numbers together, and all the variables
4x+34=0
We move all terms containing x to the left, all other terms to the right
4x=-34
x=-34/4
x=-8+1/2
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