-15=-15+u

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Solution for -15=-15+u equation:


Simplifying
-15 = -15 + u

Add '15' to each side of the equation.
-15 + 15 = -15 + 15 + u

Combine like terms: -15 + 15 = 0
0 = -15 + 15 + u

Combine like terms: -15 + 15 = 0
0 = 0 + u
0 = u

Solving
0 = u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
0 + -1u = u + -1u
Remove the zero:
-1u = u + -1u

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

Divide each side by '-1'.
u = 0

Simplifying
u = 0

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