-u+215=130

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Solution for -u+215=130 equation: 


Simplifying
-1u + 215 = 130

Reorder the terms:
215 + -1u = 130

Solving
215 + -1u = 130

Solving for variable 'u'.

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

Add '-215' to each side of the equation.
215 + -215 + -1u = 130 + -215

Combine like terms: 215 + -215 = 0
0 + -1u = 130 + -215
-1u = 130 + -215

Combine like terms: 130 + -215 = -85
-1u = -85

Divide each side by '-1'.
u = 85

Simplifying
u = 85

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