9-2(a+3)=23

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Solution for 9-2(a+3)=23 equation: 



9-2(a+3)=23

We move all terms to the left:

9-2(a+3)-(23)=0

We add all the numbers together, and all the variables

-2(a+3)-14=0

We multiply parentheses

-2a-6-14=0

We add all the numbers together, and all the variables

-2a-20=0

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

-2a=20

a=20/-2

a=-10

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