-30+15=-7x+10x

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Solution for -30+15=-7x+10x equation: 



-30+15=-7x+10x

We move all terms to the left:

-30+15-(-7x+10x)=0

We add all the numbers together, and all the variables

-(+3x)-30+15=0

We add all the numbers together, and all the variables

-(+3x)-15=0

We get rid of parentheses

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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