-7=-2(1+4x)-2x

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



-7=-2(1+4x)-2x

We move all terms to the left:

-7-(-2(1+4x)-2x)=0

We add all the numbers together, and all the variables

-(-2(4x+1)-2x)-7=0



We calculate terms in parentheses: -(-2(4x+1)-2x), so:

-2(4x+1)-2x

We add all the numbers together, and all the variables

-2x-2(4x+1)

We multiply parentheses

-2x-8x-2

We add all the numbers together, and all the variables

-10x-2

Back to the equation:

-(-10x-2)



We get rid of parentheses

10x+2-7=0

We add all the numbers together, and all the variables

10x-5=0

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

10x=5

x=5/10

x=1/2

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