9u+1-3(-4u-1)=6(u-1)

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Solution for 9u+1-3(-4u-1)=6(u-1) equation:


Simplifying
9u + 1 + -3(-4u + -1) = 6(u + -1)

Reorder the terms:
9u + 1 + -3(-1 + -4u) = 6(u + -1)
9u + 1 + (-1 * -3 + -4u * -3) = 6(u + -1)
9u + 1 + (3 + 12u) = 6(u + -1)

Reorder the terms:
1 + 3 + 9u + 12u = 6(u + -1)

Combine like terms: 1 + 3 = 4
4 + 9u + 12u = 6(u + -1)

Combine like terms: 9u + 12u = 21u
4 + 21u = 6(u + -1)

Reorder the terms:
4 + 21u = 6(-1 + u)
4 + 21u = (-1 * 6 + u * 6)
4 + 21u = (-6 + 6u)

Solving
4 + 21u = -6 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
4 + 21u + -6u = -6 + 6u + -6u

Combine like terms: 21u + -6u = 15u
4 + 15u = -6 + 6u + -6u

Combine like terms: 6u + -6u = 0
4 + 15u = -6 + 0
4 + 15u = -6

Add '-4' to each side of the equation.
4 + -4 + 15u = -6 + -4

Combine like terms: 4 + -4 = 0
0 + 15u = -6 + -4
15u = -6 + -4

Combine like terms: -6 + -4 = -10
15u = -10

Divide each side by '15'.
u = -0.6666666667

Simplifying
u = -0.6666666667

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