2(x+1)=21

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Solution for 2(x+1)=21 equation:


2(x+1)=21

We simplify the equation to the form, which is simple to understand 
2(x+1)=21

Reorder the terms in parentheses
+(+2x+2)=21

Remove unnecessary parentheses
+2x+2=+21

We move all terms containing x to the left and all other terms to the right. 
+2x=+21-2

We simplify left and right side of the equation. 
+2x=+19

We divide both sides of the equation by 2 to get x. 
x=9.5

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