-1+a/10=-2

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Solution for -1+a/10=-2 equation: 



-1+a/10=-2

We move all terms to the left:

-1+a/10-(-2)=0

We add all the numbers together, and all the variables

a/10+1=0

We multiply all the terms by the denominator


a+1*10=0

We add all the numbers together, and all the variables

a+10=0

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

a=-10

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