5u+23=9(u-1)

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Solution for 5u+23=9(u-1) equation: 


Simplifying
5u + 23 = 9(u + -1)

Reorder the terms:
23 + 5u = 9(u + -1)

Reorder the terms:
23 + 5u = 9(-1 + u)
23 + 5u = (-1 * 9 + u * 9)
23 + 5u = (-9 + 9u)

Solving
23 + 5u = -9 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
23 + 5u + -9u = -9 + 9u + -9u

Combine like terms: 5u + -9u = -4u
23 + -4u = -9 + 9u + -9u

Combine like terms: 9u + -9u = 0
23 + -4u = -9 + 0
23 + -4u = -9

Add '-23' to each side of the equation.
23 + -23 + -4u = -9 + -23

Combine like terms: 23 + -23 = 0
0 + -4u = -9 + -23
-4u = -9 + -23

Combine like terms: -9 + -23 = -32
-4u = -32

Divide each side by '-4'.
u = 8

Simplifying
u = 8

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