3(2x+1)=-9x

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Solution for 3(2x+1)=-9x equation: 



3(2x+1)=-9x

We move all terms to the left:

3(2x+1)-(-9x)=0

We multiply parentheses

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

We get rid of parentheses

6x+9x+3=0

We add all the numbers together, and all the variables

15x+3=0

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

15x=-3

x=-3/15

x=-1/5

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