3=u-(-5)

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Solution for 3=u-(-5) equation:


Simplifying
3 = u + -1(-5)

Multiply -1 * -5
3 = u + 5

Reorder the terms:
3 = 5 + u

Solving
3 = 5 + 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.
3 + -1u = 5 + u + -1u

Combine like terms: u + -1u = 0
3 + -1u = 5 + 0
3 + -1u = 5

Add '-3' to each side of the equation.
3 + -3 + -1u = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -1u = 5 + -3
-1u = 5 + -3

Combine like terms: 5 + -3 = 2
-1u = 2

Divide each side by '-1'.
u = -2

Simplifying
u = -2

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