a(2)=2(2)-1

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Solution for a(2)=2(2)-1 equation:


a(2)=2(2)-1

We simplify the equation to the form, which is simple to understand 
a(2)=2(2)-1

Reorder the terms in parentheses
+(+2a)=2*(2)-1

Remove unnecessary parentheses
+2a=+2+*(+2+)-1

Reorder the terms in parentheses
+2a=+(+4)-1

Remove unnecessary parentheses
+2a=+4-1

We move all terms containing a to the left and all other terms to the right. 
+2a=+4-1

We simplify left and right side of the equation. 
+2a=+3

We divide both sides of the equation by 2 to get a. 
a=1.5

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