7u+5=3(u-1)

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Solution for 7u+5=3(u-1) equation:


Simplifying
7u + 5 = 3(u + -1)

Reorder the terms:
5 + 7u = 3(u + -1)

Reorder the terms:
5 + 7u = 3(-1 + u)
5 + 7u = (-1 * 3 + u * 3)
5 + 7u = (-3 + 3u)

Solving
5 + 7u = -3 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
5 + 7u + -3u = -3 + 3u + -3u

Combine like terms: 7u + -3u = 4u
5 + 4u = -3 + 3u + -3u

Combine like terms: 3u + -3u = 0
5 + 4u = -3 + 0
5 + 4u = -3

Add '-5' to each side of the equation.
5 + -5 + 4u = -3 + -5

Combine like terms: 5 + -5 = 0
0 + 4u = -3 + -5
4u = -3 + -5

Combine like terms: -3 + -5 = -8
4u = -8

Divide each side by '4'.
u = -2

Simplifying
u = -2

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