75-u=230

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Solution for 75-u=230 equation:


Simplifying
75 + -1u = 230

Solving
75 + -1u = 230

Solving for variable 'u'.

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

Add '-75' to each side of the equation.
75 + -75 + -1u = 230 + -75

Combine like terms: 75 + -75 = 0
0 + -1u = 230 + -75
-1u = 230 + -75

Combine like terms: 230 + -75 = 155
-1u = 155

Divide each side by '-1'.
u = -155

Simplifying
u = -155

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