-3x-21=4

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Solution for -3x-21=4 equation: 



-3x-21=4

We move all terms to the left:

-3x-21-(4)=0

We add all the numbers together, and all the variables

-3x-25=0

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

-3x=25

x=25/-3

x=-8+1/3

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