4a+16=20

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Solution for 4a+16=20 equation: 



4a+16=20

We move all terms to the left:

4a+16-(20)=0

We add all the numbers together, and all the variables

4a-4=0

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

4a=4

a=4/4

a=1

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