(9-k)-(2-k)=7

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Solution for (9-k)-(2-k)=7 equation:


(9-k)-(2-k)=7

We simplify the equation to the form, which is simple to understand 
(9-k)-(2-k)=7

Remove unnecessary parentheses
9-k-(2-k)=7

Remove unnecessary parentheses
9-k-2+1k=7

We move all terms containing k to the left and all other terms to the right. 
-1k+1k=+7-9+2

We simplify left and right side of the equation. 
k=0

0=0

This equation is an identity, so all real numbers are solutions.

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