-4(x-3)+9=21

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Solution for -4(x-3)+9=21 equation: 



-4(x-3)+9=21

We move all terms to the left:

-4(x-3)+9-(21)=0

We add all the numbers together, and all the variables

-4(x-3)-12=0

We multiply parentheses

-4x+12-12=0

We add all the numbers together, and all the variables

-4x=0

x=0/-4

x=0

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