4(3-u)+u=22+3u

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Solution for 4(3-u)+u=22+3u equation:


Simplifying
4(3 + -1u) + u = 22 + 3u
(3 * 4 + -1u * 4) + u = 22 + 3u
(12 + -4u) + u = 22 + 3u

Combine like terms: -4u + u = -3u
12 + -3u = 22 + 3u

Solving
12 + -3u = 22 + 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.
12 + -3u + -3u = 22 + 3u + -3u

Combine like terms: -3u + -3u = -6u
12 + -6u = 22 + 3u + -3u

Combine like terms: 3u + -3u = 0
12 + -6u = 22 + 0
12 + -6u = 22

Add '-12' to each side of the equation.
12 + -12 + -6u = 22 + -12

Combine like terms: 12 + -12 = 0
0 + -6u = 22 + -12
-6u = 22 + -12

Combine like terms: 22 + -12 = 10
-6u = 10

Divide each side by '-6'.
u = -1.666666667

Simplifying
u = -1.666666667

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