-18a-2=-19a-20

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Solution for -18a-2=-19a-20 equation: 



-18a-2=-19a-20

We move all terms to the left:

-18a-2-(-19a-20)=0

We get rid of parentheses

-18a+19a+20-2=0

We add all the numbers together, and all the variables

a+18=0

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

a=-18

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