-5x-21=4+-9

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Solution for -5x-21=4+-9 equation: 



-5x-21=4+-9

We move all terms to the left:

-5x-21-(4+-9)=0

We add all the numbers together, and all the variables

-5x-21-(-5)=0

We add all the numbers together, and all the variables

-5x-16=0

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

-5x=16

x=16/-5

x=-3+1/5

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