-6u+8u+9=-6+7u

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Solution for -6u+8u+9=-6+7u equation:


-6u+8u+9=-6+7u

We simplify the equation to the form, which is simple to understand 
-6u+8u+9=-6+7u

We move all terms containing u to the left and all other terms to the right. 
-6u+8u-7u=-6-9

We simplify left and right side of the equation. 
-5u=-15

We divide both sides of the equation by -5 to get u. 
u=3

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