-2x-16=21x-7

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Solution for -2x-16=21x-7 equation: 



-2x-16=21x-7

We move all terms to the left:

-2x-16-(21x-7)=0

We get rid of parentheses

-2x-21x+7-16=0

We add all the numbers together, and all the variables

-23x-9=0

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

-23x=9

x=9/-23

x=-9/23

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