810-a=729

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Solution for 810-a=729 equation:


810-a=729

We simplify the equation to the form, which is simple to understand 
810-a=729

We move all terms containing a to the left and all other terms to the right. 
-1a=+729-810

We simplify left and right side of the equation. 
-1a=-81

We divide both sides of the equation by -1 to get a. 
a=81

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