7+2u=2u-9

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Solution for 7+2u=2u-9 equation:


7+2u=2u-9

We simplify the equation to the form, which is simple to understand 
7+2u=2u-9

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

We simplify left and right side of the equation. 
u=-16

0=-16

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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