3x+15+7x=-7

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



3x+15+7x=-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

10x+22=0

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

10x=-22

x=-22/10

x=-2+1/5

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