(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 = -30
-30 + 12u + -20u = 50

Combine like terms: 12u + -20u = -8u
-30 + -8u = 50

Solving
-30 + -8u = 50

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + -8u = 50 + 30

Combine like terms: -30 + 30 = 0
0 + -8u = 50 + 30
-8u = 50 + 30

Combine like terms: 50 + 30 = 80
-8u = 80

Divide each side by '-8'.
u = -10

Simplifying
u = -10

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