2(21-9x)=3x

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Solution for 2(21-9x)=3x equation: 



2(21-9x)=3x

We move all terms to the left:

2(21-9x)-(3x)=0

We add all the numbers together, and all the variables

2(-9x+21)-3x=0

We add all the numbers together, and all the variables

-3x+2(-9x+21)=0

We multiply parentheses

-3x-18x+42=0

We add all the numbers together, and all the variables

-21x+42=0

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

-21x=-42

x=-42/-21

x=+2

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