40-u=215

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Solution for 40-u=215 equation:


Simplifying
40 + -1u = 215

Solving
40 + -1u = 215

Solving for variable 'u'.

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

Add '-40' to each side of the equation.
40 + -40 + -1u = 215 + -40

Combine like terms: 40 + -40 = 0
0 + -1u = 215 + -40
-1u = 215 + -40

Combine like terms: 215 + -40 = 175
-1u = 175

Divide each side by '-1'.
u = -175

Simplifying
u = -175

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