-x-5=21

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Solution for -x-5=21 equation: 



-x-5=21

We move all terms to the left:

-x-5-(21)=0

We add all the numbers together, and all the variables

-1x-26=0

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

-x=26

x=26/-1

x=-26

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