3a+4(15-a)=23

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Solution for 3a+4(15-a)=23 equation: 



3a+4(15-a)=23

We move all terms to the left:

3a+4(15-a)-(23)=0

We add all the numbers together, and all the variables

3a+4(-1a+15)-23=0

We multiply parentheses

3a-4a+60-23=0

We add all the numbers together, and all the variables

-1a+37=0

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

-a=-37

a=-37/-1

a=+37

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