9u-15=-2(u-9)

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Solution for 9u-15=-2(u-9) equation:


Simplifying
9u + -15 = -2(u + -9)

Reorder the terms:
-15 + 9u = -2(u + -9)

Reorder the terms:
-15 + 9u = -2(-9 + u)
-15 + 9u = (-9 * -2 + u * -2)
-15 + 9u = (18 + -2u)

Solving
-15 + 9u = 18 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-15 + 9u + 2u = 18 + -2u + 2u

Combine like terms: 9u + 2u = 11u
-15 + 11u = 18 + -2u + 2u

Combine like terms: -2u + 2u = 0
-15 + 11u = 18 + 0
-15 + 11u = 18

Add '15' to each side of the equation.
-15 + 15 + 11u = 18 + 15

Combine like terms: -15 + 15 = 0
0 + 11u = 18 + 15
11u = 18 + 15

Combine like terms: 18 + 15 = 33
11u = 33

Divide each side by '11'.
u = 3

Simplifying
u = 3

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