7x-9=-1+12x

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



7x-9=-1+12x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7x-12x+1-9=0

We add all the numbers together, and all the variables

-5x-8=0

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

-5x=8

x=8/-5

x=-1+3/5

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