12-3(5x+2)=4(-3x+7)-1

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Solution for 12-3(5x+2)=4(-3x+7)-1 equation: 



12-3(5x+2)=4(-3x+7)-1

We move all terms to the left:

12-3(5x+2)-(4(-3x+7)-1)=0

We multiply parentheses

-15x-(4(-3x+7)-1)-6+12=0



We calculate terms in parentheses: -(4(-3x+7)-1), so:

4(-3x+7)-1

We multiply parentheses

-12x+28-1

We add all the numbers together, and all the variables

-12x+27

Back to the equation:

-(-12x+27)



We add all the numbers together, and all the variables

-15x-(-12x+27)+6=0

We get rid of parentheses

-15x+12x-27+6=0

We add all the numbers together, and all the variables

-3x-21=0

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

-3x=21

x=21/-3

x=-7

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