11=-7u+3(u-3)

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Solution for 11=-7u+3(u-3) equation: 


Simplifying
11 = -7u + 3(u + -3)

Reorder the terms:
11 = -7u + 3(-3 + u)
11 = -7u + (-3 * 3 + u * 3)
11 = -7u + (-9 + 3u)

Reorder the terms:
11 = -9 + -7u + 3u

Combine like terms: -7u + 3u = -4u
11 = -9 + -4u

Solving
11 = -9 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
11 + 4u = -9 + -4u + 4u

Combine like terms: -4u + 4u = 0
11 + 4u = -9 + 0
11 + 4u = -9

Add '-11' to each side of the equation.
11 + -11 + 4u = -9 + -11

Combine like terms: 11 + -11 = 0
0 + 4u = -9 + -11
4u = -9 + -11

Combine like terms: -9 + -11 = -20
4u = -20

Divide each side by '4'.
u = -5

Simplifying
u = -5

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