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

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Solution for 4(a+1)+2(a-1)=23 equation: 



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

We move all terms to the left:

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

We multiply parentheses

4a+2a+4-2-23=0

We add all the numbers together, and all the variables

6a-21=0

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

6a=21

a=21/6

a=3+1/2

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