2(a+1)=23-a

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Solution for 2(a+1)=23-a equation: 



2(a+1)=23-a

We move all terms to the left:

2(a+1)-(23-a)=0

We add all the numbers together, and all the variables

2(a+1)-(-1a+23)=0

We multiply parentheses

2a-(-1a+23)+2=0

We get rid of parentheses

2a+1a-23+2=0

We add all the numbers together, and all the variables

3a-21=0

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

3a=21

a=21/3

a=7

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