u-9=0

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Solution for u-9=0 equation:


u-9=0

We simplify the equation to the form, which is simple to understand 
u-9=0

We move all terms containing u to the left and all other terms to the right. 
+1u=0+9

We simplify left and right side of the equation. 
+1u=+9

We divide both sides of the equation by 1 to get u. 
u=9

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