-8x-15=30+x

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



-8x-15=30+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-8x-x-30-15=0

We add all the numbers together, and all the variables

-9x-45=0

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

-9x=45

x=45/-9

x=-5

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