3(3x-1)+x=7

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Solution for 3(3x-1)+x=7 equation: 



3(3x-1)+x=7

We move all terms to the left:

3(3x-1)+x-(7)=0

We add all the numbers together, and all the variables

x+3(3x-1)-7=0

We multiply parentheses

x+9x-3-7=0

We add all the numbers together, and all the variables

10x-10=0

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

10x=10

x=10/10

x=1

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