-10a+2=-20a-28

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Solution for -10a+2=-20a-28 equation: 



-10a+2=-20a-28

We move all terms to the left:

-10a+2-(-20a-28)=0

We get rid of parentheses

-10a+20a+28+2=0

We add all the numbers together, and all the variables

10a+30=0

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

10a=-30

a=-30/10

a=-3

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