7x+9=12x-1

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



7x+9=12x-1

We move all terms to the left:

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

We get rid of parentheses

7x-12x+1+9=0

We add all the numbers together, and all the variables

-5x+10=0

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

-5x=-10

x=-10/-5

x=+2

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