u-9=4u+15

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Solution for u-9=4u+15 equation:


u-9=4u+15

We simplify the equation to the form, which is simple to understand 
u-9=4u+15

We move all terms containing u to the left and all other terms to the right. 
+1u-4u=+15+9

We simplify left and right side of the equation. 
-3u=+24

We divide both sides of the equation by -3 to get u. 
u=-8

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