3+6x=2(-x+9)-31

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Solution for 3+6x=2(-x+9)-31 equation: 



3+6x=2(-x+9)-31

We move all terms to the left:

3+6x-(2(-x+9)-31)=0

We add all the numbers together, and all the variables

6x-(2(-1x+9)-31)+3=0



We calculate terms in parentheses: -(2(-1x+9)-31), so:

2(-1x+9)-31

We multiply parentheses

-2x+18-31

We add all the numbers together, and all the variables

-2x-13

Back to the equation:

-(-2x-13)



We get rid of parentheses

6x+2x+13+3=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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