3u+3-4(-2u-2)=7(u-1)

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Solution for 3u+3-4(-2u-2)=7(u-1) equation:


Simplifying
3u + 3 + -4(-2u + -2) = 7(u + -1)

Reorder the terms:
3u + 3 + -4(-2 + -2u) = 7(u + -1)
3u + 3 + (-2 * -4 + -2u * -4) = 7(u + -1)
3u + 3 + (8 + 8u) = 7(u + -1)

Reorder the terms:
3 + 8 + 3u + 8u = 7(u + -1)

Combine like terms: 3 + 8 = 11
11 + 3u + 8u = 7(u + -1)

Combine like terms: 3u + 8u = 11u
11 + 11u = 7(u + -1)

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

Solving
11 + 11u = -7 + 7u

Solving for variable 'u'.

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

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

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

Combine like terms: 7u + -7u = 0
11 + 4u = -7 + 0
11 + 4u = -7

Add '-11' to each side of the equation.
11 + -11 + 4u = -7 + -11

Combine like terms: 11 + -11 = 0
0 + 4u = -7 + -11
4u = -7 + -11

Combine like terms: -7 + -11 = -18
4u = -18

Divide each side by '4'.
u = -4.5

Simplifying
u = -4.5

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