-7x-15=4(7-3x)-3

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Solution for -7x-15=4(7-3x)-3 equation: 



-7x-15=4(7-3x)-3

We move all terms to the left:

-7x-15-(4(7-3x)-3)=0

We add all the numbers together, and all the variables

-7x-(4(-3x+7)-3)-15=0



We calculate terms in parentheses: -(4(-3x+7)-3), so:

4(-3x+7)-3

We multiply parentheses

-12x+28-3

We add all the numbers together, and all the variables

-12x+25

Back to the equation:

-(-12x+25)



We get rid of parentheses

-7x+12x-25-15=0

We add all the numbers together, and all the variables

5x-40=0

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

5x=40

x=40/5

x=8

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