-10.3=a/10-9

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Solution for -10.3=a/10-9 equation: 



-10.3=a/10-9

We move all terms to the left:

-10.3-(a/10-9)=0

We get rid of parentheses

-a/10+9-10.3=0

We multiply all the terms by the denominator


-a+9*10-(10.3)*10=0

We add all the numbers together, and all the variables

-1a-13=0

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

-a=13

a=13/-1

a=-13

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