-30=2(x-7)-4x

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Solution for -30=2(x-7)-4x equation: 



-30=2(x-7)-4x

We move all terms to the left:

-30-(2(x-7)-4x)=0



We calculate terms in parentheses: -(2(x-7)-4x), so:

2(x-7)-4x

We add all the numbers together, and all the variables

-4x+2(x-7)

We multiply parentheses

-4x+2x-14

We add all the numbers together, and all the variables

-2x-14

Back to the equation:

-(-2x-14)



We get rid of parentheses

2x+14-30=0

We add all the numbers together, and all the variables

2x-16=0

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

2x=16

x=16/2

x=8

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