7(a+3)=-14a

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Solution for 7(a+3)=-14a equation: 



7(a+3)=-14a

We move all terms to the left:

7(a+3)-(-14a)=0

We multiply parentheses

7a-(-14a)+21=0

We get rid of parentheses

7a+14a+21=0

We add all the numbers together, and all the variables

21a+21=0

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

21a=-21

a=-21/21

a=-1

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