3(x-3)=8x+31

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Solution for 3(x-3)=8x+31 equation: 



3(x-3)=8x+31

We move all terms to the left:

3(x-3)-(8x+31)=0

We multiply parentheses

3x-(8x+31)-9=0

We get rid of parentheses

3x-8x-31-9=0

We add all the numbers together, and all the variables

-5x-40=0

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

-5x=40

x=40/-5

x=-8

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