3(u-1)=9u+5-3(-4u-2)

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Solution for 3(u-1)=9u+5-3(-4u-2) equation:


Simplifying
3(u + -1) = 9u + 5 + -3(-4u + -2)

Reorder the terms:
3(-1 + u) = 9u + 5 + -3(-4u + -2)
(-1 * 3 + u * 3) = 9u + 5 + -3(-4u + -2)
(-3 + 3u) = 9u + 5 + -3(-4u + -2)

Reorder the terms:
-3 + 3u = 9u + 5 + -3(-2 + -4u)
-3 + 3u = 9u + 5 + (-2 * -3 + -4u * -3)
-3 + 3u = 9u + 5 + (6 + 12u)

Reorder the terms:
-3 + 3u = 5 + 6 + 9u + 12u

Combine like terms: 5 + 6 = 11
-3 + 3u = 11 + 9u + 12u

Combine like terms: 9u + 12u = 21u
-3 + 3u = 11 + 21u

Solving
-3 + 3u = 11 + 21u

Solving for variable 'u'.

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

Add '-21u' to each side of the equation.
-3 + 3u + -21u = 11 + 21u + -21u

Combine like terms: 3u + -21u = -18u
-3 + -18u = 11 + 21u + -21u

Combine like terms: 21u + -21u = 0
-3 + -18u = 11 + 0
-3 + -18u = 11

Add '3' to each side of the equation.
-3 + 3 + -18u = 11 + 3

Combine like terms: -3 + 3 = 0
0 + -18u = 11 + 3
-18u = 11 + 3

Combine like terms: 11 + 3 = 14
-18u = 14

Divide each side by '-18'.
u = -0.7777777778

Simplifying
u = -0.7777777778

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