-20+8a=17a-19a

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Solution for -20+8a=17a-19a equation: 



-20+8a=17a-19a

We move all terms to the left:

-20+8a-(17a-19a)=0

We add all the numbers together, and all the variables

8a-(-2a)-20=0

We get rid of parentheses

8a+2a-20=0

We add all the numbers together, and all the variables

10a-20=0

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

10a=20

a=20/10

a=2

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