3-7x=8x-9

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Solution for 3-7x=8x-9 equation: 



3-7x=8x-9

We move all terms to the left:

3-7x-(8x-9)=0

We get rid of parentheses

-7x-8x+9+3=0

We add all the numbers together, and all the variables

-15x+12=0

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

-15x=-12

x=-12/-15

x=4/5

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