-6x+21=51+3x

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Solution for -6x+21=51+3x equation: 



-6x+21=51+3x

We move all terms to the left:

-6x+21-(51+3x)=0

We add all the numbers together, and all the variables

-6x-(3x+51)+21=0

We get rid of parentheses

-6x-3x-51+21=0

We add all the numbers together, and all the variables

-9x-30=0

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

-9x=30

x=30/-9

x=-3+1/3

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