20-3a=3a-22

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Solution for 20-3a=3a-22 equation: 



20-3a=3a-22

We move all terms to the left:

20-3a-(3a-22)=0

We get rid of parentheses

-3a-3a+22+20=0

We add all the numbers together, and all the variables

-6a+42=0

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

-6a=-42

a=-42/-6

a=+7

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