3(2a+5)=-9a

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Solution for 3(2a+5)=-9a equation: 



3(2a+5)=-9a

We move all terms to the left:

3(2a+5)-(-9a)=0

We multiply parentheses

6a-(-9a)+15=0

We get rid of parentheses

6a+9a+15=0

We add all the numbers together, and all the variables

15a+15=0

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

15a=-15

a=-15/15

a=-1

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