u+45=3u+23

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Solution for u+45=3u+23 equation:


Simplifying
u + 45 = 3u + 23

Reorder the terms:
45 + u = 3u + 23

Reorder the terms:
45 + u = 23 + 3u

Solving
45 + u = 23 + 3u

Solving for variable 'u'.

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

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

Combine like terms: u + -3u = -2u
45 + -2u = 23 + 3u + -3u

Combine like terms: 3u + -3u = 0
45 + -2u = 23 + 0
45 + -2u = 23

Add '-45' to each side of the equation.
45 + -45 + -2u = 23 + -45

Combine like terms: 45 + -45 = 0
0 + -2u = 23 + -45
-2u = 23 + -45

Combine like terms: 23 + -45 = -22
-2u = -22

Divide each side by '-2'.
u = 11

Simplifying
u = 11

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