-1-2x=5(7-x)

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Solution for -1-2x=5(7-x) equation: 



-1-2x=5(7-x)

We move all terms to the left:

-1-2x-(5(7-x))=0

We add all the numbers together, and all the variables

-2x-(5(-1x+7))-1=0



We calculate terms in parentheses: -(5(-1x+7)), so:

5(-1x+7)

We multiply parentheses

-5x+35

Back to the equation:

-(-5x+35)



We get rid of parentheses

-2x+5x-35-1=0

We add all the numbers together, and all the variables

3x-36=0

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

3x=36

x=36/3

x=12

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