-8=-9+a/10

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Solution for -8=-9+a/10 equation: 



-8=-9+a/10

We move all terms to the left:

-8-(-9+a/10)=0

We add all the numbers together, and all the variables

-(a/10-9)-8=0

We get rid of parentheses

-a/10+9-8=0

We multiply all the terms by the denominator


-a+9*10-8*10=0

We add all the numbers together, and all the variables

-1a+10=0

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

-a=-10

a=-10/-1

a=+10

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