7u-23=3(u-1)

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Solution for 7u-23=3(u-1) equation:


Simplifying
7u + -23 = 3(u + -1)

Reorder the terms:
-23 + 7u = 3(u + -1)

Reorder the terms:
-23 + 7u = 3(-1 + u)
-23 + 7u = (-1 * 3 + u * 3)
-23 + 7u = (-3 + 3u)

Solving
-23 + 7u = -3 + 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.
-23 + 7u + -3u = -3 + 3u + -3u

Combine like terms: 7u + -3u = 4u
-23 + 4u = -3 + 3u + -3u

Combine like terms: 3u + -3u = 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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