10(-x-7)-10=-5(3x+7)

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Solution for 10(-x-7)-10=-5(3x+7) equation: 



10(-x-7)-10=-5(3x+7)

We move all terms to the left:

10(-x-7)-10-(-5(3x+7))=0

We add all the numbers together, and all the variables

10(-1x-7)-(-5(3x+7))-10=0

We multiply parentheses

-10x-(-5(3x+7))-70-10=0



We calculate terms in parentheses: -(-5(3x+7)), so:

-5(3x+7)

We multiply parentheses

-15x-35

Back to the equation:

-(-15x-35)



We add all the numbers together, and all the variables

-10x-(-15x-35)-80=0

We get rid of parentheses

-10x+15x+35-80=0

We add all the numbers together, and all the variables

5x-45=0

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

5x=45

x=45/5

x=9

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