13-4x+x=31

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Solution for 13-4x+x=31 equation:



13-4x+x=31
We move all terms to the left:
13-4x+x-(31)=0
We add all the numbers together, and all the variables
-3x-18=0
We move all terms containing x to the left, all other terms to the right
-3x=18
x=18/-3
x=-6

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