-15=5u-5

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Solution for -15=5u-5 equation:


Simplifying
-15 = 5u + -5

Reorder the terms:
-15 = -5 + 5u

Solving
-15 = -5 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-15 + -5u = -5 + 5u + -5u

Combine like terms: 5u + -5u = 0
-15 + -5u = -5 + 0
-15 + -5u = -5

Add '15' to each side of the equation.
-15 + 15 + -5u = -5 + 15

Combine like terms: -15 + 15 = 0
0 + -5u = -5 + 15
-5u = -5 + 15

Combine like terms: -5 + 15 = 10
-5u = 10

Divide each side by '-5'.
u = -2

Simplifying
u = -2

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