7u+4-3(-2u-1)=5(u-1)

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Solution for 7u+4-3(-2u-1)=5(u-1) equation:


Simplifying
7u + 4 + -3(-2u + -1) = 5(u + -1)

Reorder the terms:
7u + 4 + -3(-1 + -2u) = 5(u + -1)
7u + 4 + (-1 * -3 + -2u * -3) = 5(u + -1)
7u + 4 + (3 + 6u) = 5(u + -1)

Reorder the terms:
4 + 3 + 7u + 6u = 5(u + -1)

Combine like terms: 4 + 3 = 7
7 + 7u + 6u = 5(u + -1)

Combine like terms: 7u + 6u = 13u
7 + 13u = 5(u + -1)

Reorder the terms:
7 + 13u = 5(-1 + u)
7 + 13u = (-1 * 5 + u * 5)
7 + 13u = (-5 + 5u)

Solving
7 + 13u = -5 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
7 + 13u + -5u = -5 + 5u + -5u

Combine like terms: 13u + -5u = 8u
7 + 8u = -5 + 5u + -5u

Combine like terms: 5u + -5u = 0
7 + 8u = -5 + 0
7 + 8u = -5

Add '-7' to each side of the equation.
7 + -7 + 8u = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 8u = -5 + -7
8u = -5 + -7

Combine like terms: -5 + -7 = -12
8u = -12

Divide each side by '8'.
u = -1.5

Simplifying
u = -1.5

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