7.9=14a+20

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Solution for 7.9=14a+20 equation: 



7.9=14a+20

We move all terms to the left:

7.9-(14a+20)=0

We get rid of parentheses

-14a-20+7.9=0

We add all the numbers together, and all the variables

-14a-12.1=0

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

-14a=12.1

a=12.1/-14

a=-5.7619047619048/6.6666666666667

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