-166=2x-6(1+7x)

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Solution for -166=2x-6(1+7x) equation: 



-166=2x-6(1+7x)

We move all terms to the left:

-166-(2x-6(1+7x))=0

We add all the numbers together, and all the variables

-(2x-6(7x+1))-166=0



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

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+6-166=0

We add all the numbers together, and all the variables

40x-160=0

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

40x=160

x=160/40

x=4

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