-7x-15=13

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Solution for -7x-15=13 equation: 



-7x-15=13

We move all terms to the left:

-7x-15-(13)=0

We add all the numbers together, and all the variables

-7x-28=0

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

-7x=28

x=28/-7

x=-4

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