13-9u=-12u-17

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Solution for 13-9u=-12u-17 equation:


Simplifying
13 + -9u = -12u + -17

Reorder the terms:
13 + -9u = -17 + -12u

Solving
13 + -9u = -17 + -12u

Solving for variable 'u'.

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

Add '12u' to each side of the equation.
13 + -9u + 12u = -17 + -12u + 12u

Combine like terms: -9u + 12u = 3u
13 + 3u = -17 + -12u + 12u

Combine like terms: -12u + 12u = 0
13 + 3u = -17 + 0
13 + 3u = -17

Add '-13' to each side of the equation.
13 + -13 + 3u = -17 + -13

Combine like terms: 13 + -13 = 0
0 + 3u = -17 + -13
3u = -17 + -13

Combine like terms: -17 + -13 = -30
3u = -30

Divide each side by '3'.
u = -10

Simplifying
u = -10

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