4(3-u)+u=23+2u

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Solution for 4(3-u)+u=23+2u equation:


Simplifying
4(3 + -1u) + u = 23 + 2u
(3 * 4 + -1u * 4) + u = 23 + 2u
(12 + -4u) + u = 23 + 2u

Combine like terms: -4u + u = -3u
12 + -3u = 23 + 2u

Solving
12 + -3u = 23 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
12 + -3u + -2u = 23 + 2u + -2u

Combine like terms: -3u + -2u = -5u
12 + -5u = 23 + 2u + -2u

Combine like terms: 2u + -2u = 0
12 + -5u = 23 + 0
12 + -5u = 23

Add '-12' to each side of the equation.
12 + -12 + -5u = 23 + -12

Combine like terms: 12 + -12 = 0
0 + -5u = 23 + -12
-5u = 23 + -12

Combine like terms: 23 + -12 = 11
-5u = 11

Divide each side by '-5'.
u = -2.2

Simplifying
u = -2.2

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