5u-8+2(4u+5)=-2(u+4)

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Solution for 5u-8+2(4u+5)=-2(u+4) equation:


Simplifying
5u + -8 + 2(4u + 5) = -2(u + 4)

Reorder the terms:
5u + -8 + 2(5 + 4u) = -2(u + 4)
5u + -8 + (5 * 2 + 4u * 2) = -2(u + 4)
5u + -8 + (10 + 8u) = -2(u + 4)

Reorder the terms:
-8 + 10 + 5u + 8u = -2(u + 4)

Combine like terms: -8 + 10 = 2
2 + 5u + 8u = -2(u + 4)

Combine like terms: 5u + 8u = 13u
2 + 13u = -2(u + 4)

Reorder the terms:
2 + 13u = -2(4 + u)
2 + 13u = (4 * -2 + u * -2)
2 + 13u = (-8 + -2u)

Solving
2 + 13u = -8 + -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.
2 + 13u + 2u = -8 + -2u + 2u

Combine like terms: 13u + 2u = 15u
2 + 15u = -8 + -2u + 2u

Combine like terms: -2u + 2u = 0
2 + 15u = -8 + 0
2 + 15u = -8

Add '-2' to each side of the equation.
2 + -2 + 15u = -8 + -2

Combine like terms: 2 + -2 = 0
0 + 15u = -8 + -2
15u = -8 + -2

Combine like terms: -8 + -2 = -10
15u = -10

Divide each side by '15'.
u = -0.6666666667

Simplifying
u = -0.6666666667

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