28a-42=14a-20

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Solution for 28a-42=14a-20 equation: 



28a-42=14a-20

We move all terms to the left:

28a-42-(14a-20)=0

We get rid of parentheses

28a-14a+20-42=0

We add all the numbers together, and all the variables

14a-22=0

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

14a=22

a=22/14

a=1+4/7

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