9u-4=5(u-4)

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Solution for 9u-4=5(u-4) equation:


Simplifying
9u + -4 = 5(u + -4)

Reorder the terms:
-4 + 9u = 5(u + -4)

Reorder the terms:
-4 + 9u = 5(-4 + u)
-4 + 9u = (-4 * 5 + u * 5)
-4 + 9u = (-20 + 5u)

Solving
-4 + 9u = -20 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-4 + 9u + -5u = -20 + 5u + -5u

Combine like terms: 9u + -5u = 4u
-4 + 4u = -20 + 5u + -5u

Combine like terms: 5u + -5u = 0
-4 + 4u = -20 + 0
-4 + 4u = -20

Add '4' to each side of the equation.
-4 + 4 + 4u = -20 + 4

Combine like terms: -4 + 4 = 0
0 + 4u = -20 + 4
4u = -20 + 4

Combine like terms: -20 + 4 = -16
4u = -16

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

Simplifying
u = -4

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