-6(3u-4)+9u=3(u+7)

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Solution for -6(3u-4)+9u=3(u+7) equation:


Simplifying
-6(3u + -4) + 9u = 3(u + 7)

Reorder the terms:
-6(-4 + 3u) + 9u = 3(u + 7)
(-4 * -6 + 3u * -6) + 9u = 3(u + 7)
(24 + -18u) + 9u = 3(u + 7)

Combine like terms: -18u + 9u = -9u
24 + -9u = 3(u + 7)

Reorder the terms:
24 + -9u = 3(7 + u)
24 + -9u = (7 * 3 + u * 3)
24 + -9u = (21 + 3u)

Solving
24 + -9u = 21 + 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.
24 + -9u + -3u = 21 + 3u + -3u

Combine like terms: -9u + -3u = -12u
24 + -12u = 21 + 3u + -3u

Combine like terms: 3u + -3u = 0
24 + -12u = 21 + 0
24 + -12u = 21

Add '-24' to each side of the equation.
24 + -24 + -12u = 21 + -24

Combine like terms: 24 + -24 = 0
0 + -12u = 21 + -24
-12u = 21 + -24

Combine like terms: 21 + -24 = -3
-12u = -3

Divide each side by '-12'.
u = 0.25

Simplifying
u = 0.25

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