4(3+6x)=21

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Solution for 4(3+6x)=21 equation: 



4(3+6x)=21

We move all terms to the left:

4(3+6x)-(21)=0

We add all the numbers together, and all the variables

4(6x+3)-21=0

We multiply parentheses

24x+12-21=0

We add all the numbers together, and all the variables

24x-9=0

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

24x=9

x=9/24

x=3/8

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