-4x-3=-5x-21

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Solution for -4x-3=-5x-21 equation: 



-4x-3=-5x-21

We move all terms to the left:

-4x-3-(-5x-21)=0

We get rid of parentheses

-4x+5x+21-3=0

We add all the numbers together, and all the variables

x+18=0

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

x=-18

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