9x+1-7=x+2x+12

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Solution for 9x+1-7=x+2x+12 equation: 



9x+1-7=x+2x+12

We move all terms to the left:

9x+1-7-(x+2x+12)=0

We add all the numbers together, and all the variables

9x-(3x+12)+1-7=0

We add all the numbers together, and all the variables

9x-(3x+12)-6=0

We get rid of parentheses

9x-3x-12-6=0

We add all the numbers together, and all the variables

6x-18=0

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

6x=18

x=18/6

x=3

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