-9x+3=-7x-15

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Solution for -9x+3=-7x-15 equation: 



-9x+3=-7x-15

We move all terms to the left:

-9x+3-(-7x-15)=0

We get rid of parentheses

-9x+7x+15+3=0

We add all the numbers together, and all the variables

-2x+18=0

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

-2x=-18

x=-18/-2

x=+9

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