-7x+13+9x+21=-2

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Solution for -7x+13+9x+21=-2 equation: 



-7x+13+9x+21=-2

We move all terms to the left:

-7x+13+9x+21-(-2)=0

We add all the numbers together, and all the variables

2x+36=0

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

2x=-36

x=-36/2

x=-18

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