(a-90)3=

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Solution for (a-90)3= equation:


(a-90)3=0

We simplify the equation to the form, which is simple to understand 
(a-90)3=0

Reorder the terms in parentheses
(+3a-270)=0

Remove unnecessary parentheses
+3a-270=0

We move all terms containing a to the left and all other terms to the right. 
+3a=0+270

We simplify left and right side of the equation. 
+3a=+270

We divide both sides of the equation by 3 to get a. 
a=90

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