-31=2(x-5)-5x

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Solution for -31=2(x-5)-5x equation: 



-31=2(x-5)-5x

We move all terms to the left:

-31-(2(x-5)-5x)=0



We calculate terms in parentheses: -(2(x-5)-5x), so:

2(x-5)-5x

We add all the numbers together, and all the variables

-5x+2(x-5)

We multiply parentheses

-5x+2x-10

We add all the numbers together, and all the variables

-3x-10

Back to the equation:

-(-3x-10)



We get rid of parentheses

3x+10-31=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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