7x+9=9x+12

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



7x+9=9x+12

We move all terms to the left:

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

We get rid of parentheses

7x-9x-12+9=0

We add all the numbers together, and all the variables

-2x-3=0

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

-2x=3

x=3/-2

x=-1+1/2

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