(12u-5)-5(4u-5)=50

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Solution for (12u-5)-5(4u-5)=50 equation:


Simplifying
(12u + -5) + -5(4u + -5) = 50

Reorder the terms:
(-5 + 12u) + -5(4u + -5) = 50

Remove parenthesis around (-5 + 12u)
-5 + 12u + -5(4u + -5) = 50

Reorder the terms:
-5 + 12u + -5(-5 + 4u) = 50
-5 + 12u + (-5 * -5 + 4u * -5) = 50
-5 + 12u + (25 + -20u) = 50

Reorder the terms:
-5 + 25 + 12u + -20u = 50

Combine like terms: -5 + 25 = 20
20 + 12u + -20u = 50

Combine like terms: 12u + -20u = -8u
20 + -8u = 50

Solving
20 + -8u = 50

Solving for variable 'u'.

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

Add '-20' to each side of the equation.
20 + -20 + -8u = 50 + -20

Combine like terms: 20 + -20 = 0
0 + -8u = 50 + -20
-8u = 50 + -20

Combine like terms: 50 + -20 = 30
-8u = 30

Divide each side by '-8'.
u = -3.75

Simplifying
u = -3.75

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