3(7x-3)+6x=7x+31

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Solution for 3(7x-3)+6x=7x+31 equation: 



3(7x-3)+6x=7x+31

We move all terms to the left:

3(7x-3)+6x-(7x+31)=0

We add all the numbers together, and all the variables

6x+3(7x-3)-(7x+31)=0

We multiply parentheses

6x+21x-(7x+31)-9=0

We get rid of parentheses

6x+21x-7x-31-9=0

We add all the numbers together, and all the variables

20x-40=0

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

20x=40

x=40/20

x=2

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