-5(2u-4)+9u=3(u+6)

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Solution for -5(2u-4)+9u=3(u+6) equation:


Simplifying
-5(2u + -4) + 9u = 3(u + 6)

Reorder the terms:
-5(-4 + 2u) + 9u = 3(u + 6)
(-4 * -5 + 2u * -5) + 9u = 3(u + 6)
(20 + -10u) + 9u = 3(u + 6)

Combine like terms: -10u + 9u = -1u
20 + -1u = 3(u + 6)

Reorder the terms:
20 + -1u = 3(6 + u)
20 + -1u = (6 * 3 + u * 3)
20 + -1u = (18 + 3u)

Solving
20 + -1u = 18 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
20 + -1u + -3u = 18 + 3u + -3u

Combine like terms: -1u + -3u = -4u
20 + -4u = 18 + 3u + -3u

Combine like terms: 3u + -3u = 0
20 + -4u = 18 + 0
20 + -4u = 18

Add '-20' to each side of the equation.
20 + -20 + -4u = 18 + -20

Combine like terms: 20 + -20 = 0
0 + -4u = 18 + -20
-4u = 18 + -20

Combine like terms: 18 + -20 = -2
-4u = -2

Divide each side by '-4'.
u = 0.5

Simplifying
u = 0.5

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