3(2a+1)=-123

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Solution for 3(2a+1)=-123 equation: 



3(2a+1)=-123

We move all terms to the left:

3(2a+1)-(-123)=0

We add all the numbers together, and all the variables

3(2a+1)+123=0

We multiply parentheses

6a+3+123=0

We add all the numbers together, and all the variables

6a+126=0

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

6a=-126

a=-126/6

a=-21

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