23=-u+215

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Solution for 23=-u+215 equation:


Simplifying
23 = -1u + 215

Reorder the terms:
23 = 215 + -1u

Solving
23 = 215 + -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.
23 + u = 215 + -1u + u

Combine like terms: -1u + u = 0
23 + u = 215 + 0
23 + u = 215

Add '-23' to each side of the equation.
23 + -23 + u = 215 + -23

Combine like terms: 23 + -23 = 0
0 + u = 215 + -23
u = 215 + -23

Combine like terms: 215 + -23 = 192
u = 192

Simplifying
u = 192

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