a*3+4=20

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Solution for a*3+4=20 equation: 



a*3+4=20

We move all terms to the left:

a*3+4-(20)=0

We add all the numbers together, and all the variables

a*3-16=0

Wy multiply elements

3a-16=0

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

3a=16

a=16/3

a=5+1/3

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