9+3x=4(-x+3)-31

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Solution for 9+3x=4(-x+3)-31 equation: 



9+3x=4(-x+3)-31

We move all terms to the left:

9+3x-(4(-x+3)-31)=0

We add all the numbers together, and all the variables

3x-(4(-1x+3)-31)+9=0



We calculate terms in parentheses: -(4(-1x+3)-31), so:

4(-1x+3)-31

We multiply parentheses

-4x+12-31

We add all the numbers together, and all the variables

-4x-19

Back to the equation:

-(-4x-19)



We get rid of parentheses

3x+4x+19+9=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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