-9(x-4)=21

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



-9(x-4)=21

We move all terms to the left:

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

We multiply parentheses

-9x+36-21=0

We add all the numbers together, and all the variables

-9x+15=0

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

-9x=-15

x=-15/-9

x=1+2/3

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