15x-31=2(x+4)

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Solution for 15x-31=2(x+4) equation: 



15x-31=2(x+4)

We move all terms to the left:

15x-31-(2(x+4))=0



We calculate terms in parentheses: -(2(x+4)), so:

2(x+4)

We multiply parentheses

2x+8

Back to the equation:

-(2x+8)



We get rid of parentheses

15x-2x-8-31=0

We add all the numbers together, and all the variables

13x-39=0

We move all terms containing x to the left, all other terms to the right

13x=39

x=39/13

x=3

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