3(4u-1)-5(u-3)-9=0

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Solution for 3(4u-1)-5(u-3)-9=0 equation:


Simplifying
3(4u + -1) + -5(u + -3) + -9 = 0

Reorder the terms:
3(-1 + 4u) + -5(u + -3) + -9 = 0
(-1 * 3 + 4u * 3) + -5(u + -3) + -9 = 0
(-3 + 12u) + -5(u + -3) + -9 = 0

Reorder the terms:
-3 + 12u + -5(-3 + u) + -9 = 0
-3 + 12u + (-3 * -5 + u * -5) + -9 = 0
-3 + 12u + (15 + -5u) + -9 = 0

Reorder the terms:
-3 + 15 + -9 + 12u + -5u = 0

Combine like terms: -3 + 15 = 12
12 + -9 + 12u + -5u = 0

Combine like terms: 12 + -9 = 3
3 + 12u + -5u = 0

Combine like terms: 12u + -5u = 7u
3 + 7u = 0

Solving
3 + 7u = 0

Solving for variable 'u'.

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

Add '-3' to each side of the equation.
3 + -3 + 7u = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7u = 0 + -3
7u = 0 + -3

Combine like terms: 0 + -3 = -3
7u = -3

Divide each side by '7'.
u = -0.4285714286

Simplifying
u = -0.4285714286

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