u-5(u+6)+9=8-5u-6(u-1)

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Solution for u-5(u+6)+9=8-5u-6(u-1) equation:


Simplifying
u + -5(u + 6) + 9 = 8 + -5u + -6(u + -1)

Reorder the terms:
u + -5(6 + u) + 9 = 8 + -5u + -6(u + -1)
u + (6 * -5 + u * -5) + 9 = 8 + -5u + -6(u + -1)
u + (-30 + -5u) + 9 = 8 + -5u + -6(u + -1)

Reorder the terms:
-30 + 9 + u + -5u = 8 + -5u + -6(u + -1)

Combine like terms: -30 + 9 = -21
-21 + u + -5u = 8 + -5u + -6(u + -1)

Combine like terms: u + -5u = -4u
-21 + -4u = 8 + -5u + -6(u + -1)

Reorder the terms:
-21 + -4u = 8 + -5u + -6(-1 + u)
-21 + -4u = 8 + -5u + (-1 * -6 + u * -6)
-21 + -4u = 8 + -5u + (6 + -6u)

Reorder the terms:
-21 + -4u = 8 + 6 + -5u + -6u

Combine like terms: 8 + 6 = 14
-21 + -4u = 14 + -5u + -6u

Combine like terms: -5u + -6u = -11u
-21 + -4u = 14 + -11u

Solving
-21 + -4u = 14 + -11u

Solving for variable 'u'.

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

Add '11u' to each side of the equation.
-21 + -4u + 11u = 14 + -11u + 11u

Combine like terms: -4u + 11u = 7u
-21 + 7u = 14 + -11u + 11u

Combine like terms: -11u + 11u = 0
-21 + 7u = 14 + 0
-21 + 7u = 14

Add '21' to each side of the equation.
-21 + 21 + 7u = 14 + 21

Combine like terms: -21 + 21 = 0
0 + 7u = 14 + 21
7u = 14 + 21

Combine like terms: 14 + 21 = 35
7u = 35

Divide each side by '7'.
u = 5

Simplifying
u = 5

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