189=9+9a

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Solution for 189=9+9a equation:


189=9+9a

We simplify the equation to the form, which is simple to understand 
189=9+9a

We move all terms containing a to the left and all other terms to the right. 
-9a=+9-189

We simplify left and right side of the equation. 
-9a=-180

We divide both sides of the equation by -09 to get a. 
a=20

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