15=5u-25

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Solution for 15=5u-25 equation:


Simplifying
15 = 5u + -25

Reorder the terms:
15 = -25 + 5u

Solving
15 = -25 + 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 = -25 + 5u + -5u

Combine like terms: 5u + -5u = 0
15 + -5u = -25 + 0
15 + -5u = -25

Add '-15' to each side of the equation.
15 + -15 + -5u = -25 + -15

Combine like terms: 15 + -15 = 0
0 + -5u = -25 + -15
-5u = -25 + -15

Combine like terms: -25 + -15 = -40
-5u = -40

Divide each side by '-5'.
u = 8

Simplifying
u = 8

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