-3+9x=7x+9

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Solution for -3+9x=7x+9 equation: 



-3+9x=7x+9

We move all terms to the left:

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

We get rid of parentheses

9x-7x-9-3=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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