13=-8u+5(u+2)

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Solution for 13=-8u+5(u+2) equation:


Simplifying
13 = -8u + 5(u + 2)

Reorder the terms:
13 = -8u + 5(2 + u)
13 = -8u + (2 * 5 + u * 5)
13 = -8u + (10 + 5u)

Reorder the terms:
13 = 10 + -8u + 5u

Combine like terms: -8u + 5u = -3u
13 = 10 + -3u

Solving
13 = 10 + -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.
13 + 3u = 10 + -3u + 3u

Combine like terms: -3u + 3u = 0
13 + 3u = 10 + 0
13 + 3u = 10

Add '-13' to each side of the equation.
13 + -13 + 3u = 10 + -13

Combine like terms: 13 + -13 = 0
0 + 3u = 10 + -13
3u = 10 + -13

Combine like terms: 10 + -13 = -3
3u = -3

Divide each side by '3'.
u = -1

Simplifying
u = -1

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