3(a-20)=a+4

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Solution for 3(a-20)=a+4 equation: 



3(a-20)=a+4

We move all terms to the left:

3(a-20)-(a+4)=0

We multiply parentheses

3a-(a+4)-60=0

We get rid of parentheses

3a-a-4-60=0

We add all the numbers together, and all the variables

2a-64=0

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

2a=64

a=64/2

a=32

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