2(5+a)=20

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Solution for 2(5+a)=20 equation:


2(5+a)=20

We simplify the equation to the form, which is simple to understand 
2(5+a)=20

Reorder the terms in parentheses
+(+10+2a)=20

Remove unnecessary parentheses
+10+2a=+20

We move all terms containing a to the left and all other terms to the right. 
+2a=+20-10

We simplify left and right side of the equation. 
+2a=+10

We divide both sides of the equation by 2 to get a. 
a=5

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