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

16x+18=0

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

16x=-18

x=-18/16

x=-1+1/8

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