3x+21=6x+-60

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Solution for 3x+21=6x+-60 equation: 



3x+21=6x+-60

We move all terms to the left:

3x+21-(6x+-60)=0

We add all the numbers together, and all the variables

3x-(6x-60)+21=0

We get rid of parentheses

3x-6x+60+21=0

We add all the numbers together, and all the variables

-3x+81=0

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

-3x=-81

x=-81/-3

x=+27

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