x+(0.5x+3)=21

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Solution for x+(0.5x+3)=21 equation:


x+(0.5x+3)=21

We simplify the equation to the form, which is simple to understand 
x+(0.5x+3)=21

Remove unnecessary parentheses
+x + 0.5x+3=+21

We move all terms containing x to the left and all other terms to the right. 
+1x + 0.5x=+21-3

We simplify left and right side of the equation. 
+1.5x=+18

We divide both sides of the equation by 1.5 to get x. 
x=12

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