23=3+4*u

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Solution for 23=3+4*u equation:


Simplifying
23 = 3 + 4u

Solving
23 = 3 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
23 + -4u = 3 + 4u + -4u

Combine like terms: 4u + -4u = 0
23 + -4u = 3 + 0
23 + -4u = 3

Add '-23' to each side of the equation.
23 + -23 + -4u = 3 + -23

Combine like terms: 23 + -23 = 0
0 + -4u = 3 + -23
-4u = 3 + -23

Combine like terms: 3 + -23 = -20
-4u = -20

Divide each side by '-4'.
u = 5

Simplifying
u = 5

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