3(2a-3)+1=-20

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Solution for 3(2a-3)+1=-20 equation: 



3(2a-3)+1=-20

We move all terms to the left:

3(2a-3)+1-(-20)=0

We add all the numbers together, and all the variables

3(2a-3)+21=0

We multiply parentheses

6a-9+21=0

We add all the numbers together, and all the variables

6a+12=0

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

6a=-12

a=-12/6

a=-2

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