4x+31=7x-8

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Solution for 4x+31=7x-8 equation:



4x+31=7x-8
We move all terms to the left:
4x+31-(7x-8)=0
We get rid of parentheses
4x-7x+8+31=0
We add all the numbers together, and all the variables
-3x+39=0
We move all terms containing x to the left, all other terms to the right
-3x=-39
x=-39/-3
x=+13

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