3(8-3x)=21

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Solution for 3(8-3x)=21 equation: 



3(8-3x)=21

We move all terms to the left:

3(8-3x)-(21)=0

We add all the numbers together, and all the variables

3(-3x+8)-21=0

We multiply parentheses

-9x+24-21=0

We add all the numbers together, and all the variables

-9x+3=0

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

-9x=-3

x=-3/-9

x=1/3

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