-210=9a-3

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Solution for -210=9a-3 equation: 



-210=9a-3

We move all terms to the left:

-210-(9a-3)=0

We get rid of parentheses

-9a+3-210=0

We add all the numbers together, and all the variables

-9a-207=0

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

-9a=207

a=207/-9

a=-23

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