3=7x-9

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Solution for 3=7x-9 equation: 



3=7x-9

We move all terms to the left:

3-(7x-9)=0

We get rid of parentheses

-7x+9+3=0

We add all the numbers together, and all the variables

-7x+12=0

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

-7x=-12

x=-12/-7

x=1+5/7

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