-7x-30=8x+15

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Solution for -7x-30=8x+15 equation: 



-7x-30=8x+15

We move all terms to the left:

-7x-30-(8x+15)=0

We get rid of parentheses

-7x-8x-15-30=0

We add all the numbers together, and all the variables

-15x-45=0

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

-15x=45

x=45/-15

x=-3

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