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

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


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

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

Reorder the terms:
20 + -4u = -20 + 4u

Solving
20 + -4u = -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.
20 + -4u + -4u = -20 + 4u + -4u

Combine like terms: -4u + -4u = -8u
20 + -8u = -20 + 4u + -4u

Combine like terms: 4u + -4u = 0
20 + -8u = -20 + 0
20 + -8u = -20

Add '-20' to each side of the equation.
20 + -20 + -8u = -20 + -20

Combine like terms: 20 + -20 = 0
0 + -8u = -20 + -20
-8u = -20 + -20

Combine like terms: -20 + -20 = -40
-8u = -40

Divide each side by '-8'.
u = 5

Simplifying
u = 5

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