-2x(-21-13)=21

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



-2x(-21-13)=21

We move all terms to the left:

-2x(-21-13)-(21)=0

We add all the numbers together, and all the variables

-2x(-34)-21=0

We multiply parentheses

68x-21=0

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

68x=21

x=21/68

x=21/68

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