186=20-u

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Solution for 186=20-u equation:


Simplifying
186 = 20 + -1u

Solving
186 = 20 + -1u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add 'u' to each side of the equation.
186 + u = 20 + -1u + u

Combine like terms: -1u + u = 0
186 + u = 20 + 0
186 + u = 20

Add '-186' to each side of the equation.
186 + -186 + u = 20 + -186

Combine like terms: 186 + -186 = 0
0 + u = 20 + -186
u = 20 + -186

Combine like terms: 20 + -186 = -166
u = -166

Simplifying
u = -166

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