31+9u+7u-18=22u+17-6u-4

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Solution for 31+9u+7u-18=22u+17-6u-4 equation: 


Simplifying
31 + 9u + 7u + -18 = 22u + 17 + -6u + -4

Reorder the terms:
31 + -18 + 9u + 7u = 22u + 17 + -6u + -4

Combine like terms: 31 + -18 = 13
13 + 9u + 7u = 22u + 17 + -6u + -4

Combine like terms: 9u + 7u = 16u
13 + 16u = 22u + 17 + -6u + -4

Reorder the terms:
13 + 16u = 17 + -4 + 22u + -6u

Combine like terms: 17 + -4 = 13
13 + 16u = 13 + 22u + -6u

Combine like terms: 22u + -6u = 16u
13 + 16u = 13 + 16u

Add '-13' to each side of the equation.
13 + -13 + 16u = 13 + -13 + 16u

Combine like terms: 13 + -13 = 0
0 + 16u = 13 + -13 + 16u
16u = 13 + -13 + 16u

Combine like terms: 13 + -13 = 0
16u = 0 + 16u
16u = 16u

Add '-16u' to each side of the equation.
16u + -16u = 16u + -16u

Combine like terms: 16u + -16u = 0
0 = 16u + -16u

Combine like terms: 16u + -16u = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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