7u+9-5(-2u-1)=2(u-2)

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Solution for 7u+9-5(-2u-1)=2(u-2) equation:


Simplifying
7u + 9 + -5(-2u + -1) = 2(u + -2)

Reorder the terms:
7u + 9 + -5(-1 + -2u) = 2(u + -2)
7u + 9 + (-1 * -5 + -2u * -5) = 2(u + -2)
7u + 9 + (5 + 10u) = 2(u + -2)

Reorder the terms:
9 + 5 + 7u + 10u = 2(u + -2)

Combine like terms: 9 + 5 = 14
14 + 7u + 10u = 2(u + -2)

Combine like terms: 7u + 10u = 17u
14 + 17u = 2(u + -2)

Reorder the terms:
14 + 17u = 2(-2 + u)
14 + 17u = (-2 * 2 + u * 2)
14 + 17u = (-4 + 2u)

Solving
14 + 17u = -4 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
14 + 17u + -2u = -4 + 2u + -2u

Combine like terms: 17u + -2u = 15u
14 + 15u = -4 + 2u + -2u

Combine like terms: 2u + -2u = 0
14 + 15u = -4 + 0
14 + 15u = -4

Add '-14' to each side of the equation.
14 + -14 + 15u = -4 + -14

Combine like terms: 14 + -14 = 0
0 + 15u = -4 + -14
15u = -4 + -14

Combine like terms: -4 + -14 = -18
15u = -18

Divide each side by '15'.
u = -1.2

Simplifying
u = -1.2

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