2+(-9)=x

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Solution for 2+(-9)=x equation:


2+(-9)=x

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

Remove unnecessary parentheses
+2-9=+x

We move all terms containing x to the left and all other terms to the right. 
-1x=-2+9

We simplify left and right side of the equation. 
-1x=+7

We divide both sides of the equation by -01 to get x. 
x=-7

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