-7(-2x-1)=21+13x

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Solution for -7(-2x-1)=21+13x equation: 



-7(-2x-1)=21+13x

We move all terms to the left:

-7(-2x-1)-(21+13x)=0

We add all the numbers together, and all the variables

-7(-2x-1)-(13x+21)=0

We multiply parentheses

14x-(13x+21)+7=0

We get rid of parentheses

14x-13x-21+7=0

We add all the numbers together, and all the variables

x-14=0

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

x=14

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