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

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Solution for 9x+21=-6(x-6) equation: 



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

We move all terms to the left:

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



We calculate terms in parentheses: -(-6(x-6)), so:

-6(x-6)

We multiply parentheses

-6x+36

Back to the equation:

-(-6x+36)



We get rid of parentheses

9x+6x-36+21=0

We add all the numbers together, and all the variables

15x-15=0

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

15x=15

x=15/15

x=1

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