25-3u=u

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Solution for 25-3u=u equation:


Simplifying
25 + -3u = u

Solving
25 + -3u = 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.
25 + -3u + -1u = u + -1u

Combine like terms: -3u + -1u = -4u
25 + -4u = u + -1u

Combine like terms: u + -1u = 0
25 + -4u = 0

Add '-25' to each side of the equation.
25 + -25 + -4u = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -4u = 0 + -25
-4u = 0 + -25

Combine like terms: 0 + -25 = -25
-4u = -25

Divide each side by '-4'.
u = 6.25

Simplifying
u = 6.25

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