-126=-6(1+7x)+2x

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Solution for -126=-6(1+7x)+2x equation: 



-126=-6(1+7x)+2x

We move all terms to the left:

-126-(-6(1+7x)+2x)=0

We add all the numbers together, and all the variables

-(-6(7x+1)+2x)-126=0



We calculate terms in parentheses: -(-6(7x+1)+2x), so:

-6(7x+1)+2x

We add all the numbers together, and all the variables

2x-6(7x+1)

We multiply parentheses

2x-42x-6

We add all the numbers together, and all the variables

-40x-6

Back to the equation:

-(-40x-6)



We get rid of parentheses

40x+6-126=0

We add all the numbers together, and all the variables

40x-120=0

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

40x=120

x=120/40

x=3

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