3(x-7)=6x+9

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Solution for 3(x-7)=6x+9 equation: 



3(x-7)=6x+9

We move all terms to the left:

3(x-7)-(6x+9)=0

We multiply parentheses

3x-(6x+9)-21=0

We get rid of parentheses

3x-6x-9-21=0

We add all the numbers together, and all the variables

-3x-30=0

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

-3x=30

x=30/-3

x=-10

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