6u+7u-16=-81

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Solution for 6u+7u-16=-81 equation:


6u+7u-16=-81

We simplify the equation to the form, which is simple to understand 
6u+7u-16=-81

We move all terms containing u to the left and all other terms to the right. 
+6u+7u=-81+16

We simplify left and right side of the equation. 
+13u=-65

We divide both sides of the equation by 13 to get u. 
u=-5

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