7u+17=-3(u-9)

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Solution for 7u+17=-3(u-9) equation: 


Simplifying
7u + 17 = -3(u + -9)

Reorder the terms:
17 + 7u = -3(u + -9)

Reorder the terms:
17 + 7u = -3(-9 + u)
17 + 7u = (-9 * -3 + u * -3)
17 + 7u = (27 + -3u)

Solving
17 + 7u = 27 + -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.
17 + 7u + 3u = 27 + -3u + 3u

Combine like terms: 7u + 3u = 10u
17 + 10u = 27 + -3u + 3u

Combine like terms: -3u + 3u = 0
17 + 10u = 27 + 0
17 + 10u = 27

Add '-17' to each side of the equation.
17 + -17 + 10u = 27 + -17

Combine like terms: 17 + -17 = 0
0 + 10u = 27 + -17
10u = 27 + -17

Combine like terms: 27 + -17 = 10
10u = 10

Divide each side by '10'.
u = 1

Simplifying
u = 1

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