21+6x=7(-4x+3)+6x

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Solution for 21+6x=7(-4x+3)+6x equation: 



21+6x=7(-4x+3)+6x

We move all terms to the left:

21+6x-(7(-4x+3)+6x)=0



We calculate terms in parentheses: -(7(-4x+3)+6x), so:

7(-4x+3)+6x

We add all the numbers together, and all the variables

6x+7(-4x+3)

We multiply parentheses

6x-28x+21

We add all the numbers together, and all the variables

-22x+21

Back to the equation:

-(-22x+21)



We get rid of parentheses

6x+22x-21+21=0

We add all the numbers together, and all the variables

28x=0

x=0/28

x=0

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