20-4=-4(u-5)

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Solution for 20-4=-4(u-5) equation: 


Simplifying
20 + -4 = -4(u + -5)

Combine like terms: 20 + -4 = 16
16 = -4(u + -5)

Reorder the terms:
16 = -4(-5 + u)
16 = (-5 * -4 + u * -4)
16 = (20 + -4u)

Solving
16 = 20 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
16 + 4u = 20 + -4u + 4u

Combine like terms: -4u + 4u = 0
16 + 4u = 20 + 0
16 + 4u = 20

Add '-16' to each side of the equation.
16 + -16 + 4u = 20 + -16

Combine like terms: 16 + -16 = 0
0 + 4u = 20 + -16
4u = 20 + -16

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

Divide each side by '4'.
u = 1

Simplifying
u = 1

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