91-u=169

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Solution for 91-u=169 equation:


91-u=169

We simplify the equation to the form, which is simple to understand 
91-u=169

We move all terms containing u to the left and all other terms to the right. 
-1u=+169-91

We simplify left and right side of the equation. 
-1u=+78

We divide both sides of the equation by -1 to get u. 
u=-78

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