-123=-3(-1+5x)-6x

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Solution for -123=-3(-1+5x)-6x equation: 



-123=-3(-1+5x)-6x

We move all terms to the left:

-123-(-3(-1+5x)-6x)=0

We add all the numbers together, and all the variables

-(-3(5x-1)-6x)-123=0



We calculate terms in parentheses: -(-3(5x-1)-6x), so:

-3(5x-1)-6x

We add all the numbers together, and all the variables

-6x-3(5x-1)

We multiply parentheses

-6x-15x+3

We add all the numbers together, and all the variables

-21x+3

Back to the equation:

-(-21x+3)



We get rid of parentheses

21x-3-123=0

We add all the numbers together, and all the variables

21x-126=0

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

21x=126

x=126/21

x=6

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