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 calculate terms in parentheses: -((-5x)-21), so:

(-5x)-21

We get rid of parentheses

-5x-21

Back to the equation:

-(-5x-21)



We get rid of parentheses

4x+5x+21-3=0

We add all the numbers together, and all the variables

9x+18=0

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

9x=-18

x=-18/9

x=-2

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