9/10a-3=-6

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Solution for 9/10a-3=-6 equation: 



9/10a-3=-6

We move all terms to the left:

9/10a-3-(-6)=0



Domain of the equation: 10a!=0

a!=0/10

a!=0

a∈R



We add all the numbers together, and all the variables

9/10a+3=0

We multiply all the terms by the denominator


3*10a+9=0

Wy multiply elements

30a+9=0

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

30a=-9

a=-9/30

a=-3/10

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