x+(2+x)=20

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Solution for x+(2+x)=20 equation:


x+(2+x)  =20

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

Remove unnecessary parentheses
+x+2+x=+20

We move all terms containing x to the left and all other terms to the right. 
+1x+1x=+20-2

We simplify left and right side of the equation. 
+2x=+18

We divide both sides of the equation by 2 to get x. 
x=9

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