-7u+11=-9(u-1)

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Solution for -7u+11=-9(u-1) equation: 


Simplifying
-7u + 11 = -9(u + -1)

Reorder the terms:
11 + -7u = -9(u + -1)

Reorder the terms:
11 + -7u = -9(-1 + u)
11 + -7u = (-1 * -9 + u * -9)
11 + -7u = (9 + -9u)

Solving
11 + -7u = 9 + -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
11 + -7u + 9u = 9 + -9u + 9u

Combine like terms: -7u + 9u = 2u
11 + 2u = 9 + -9u + 9u

Combine like terms: -9u + 9u = 0
11 + 2u = 9 + 0
11 + 2u = 9

Add '-11' to each side of the equation.
11 + -11 + 2u = 9 + -11

Combine like terms: 11 + -11 = 0
0 + 2u = 9 + -11
2u = 9 + -11

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

Divide each side by '2'.
u = -1

Simplifying
u = -1

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