17=-5u+3(u+5)

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Solution for 17=-5u+3(u+5) equation:


Simplifying
17 = -5u + 3(u + 5)

Reorder the terms:
17 = -5u + 3(5 + u)
17 = -5u + (5 * 3 + u * 3)
17 = -5u + (15 + 3u)

Reorder the terms:
17 = 15 + -5u + 3u

Combine like terms: -5u + 3u = -2u
17 = 15 + -2u

Solving
17 = 15 + -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.
17 + 2u = 15 + -2u + 2u

Combine like terms: -2u + 2u = 0
17 + 2u = 15 + 0
17 + 2u = 15

Add '-17' to each side of the equation.
17 + -17 + 2u = 15 + -17

Combine like terms: 17 + -17 = 0
0 + 2u = 15 + -17
2u = 15 + -17

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

Divide each side by '2'.
u = -1

Simplifying
u = -1

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