12u-8-11u=18-u

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Solution for 12u-8-11u=18-u equation:


Simplifying
12u + -8 + -11u = 18 + -1u

Reorder the terms:
-8 + 12u + -11u = 18 + -1u

Combine like terms: 12u + -11u = 1u
-8 + 1u = 18 + -1u

Solving
-8 + 1u = 18 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
-8 + 1u + u = 18 + -1u + u

Combine like terms: 1u + u = 2u
-8 + 2u = 18 + -1u + u

Combine like terms: -1u + u = 0
-8 + 2u = 18 + 0
-8 + 2u = 18

Add '8' to each side of the equation.
-8 + 8 + 2u = 18 + 8

Combine like terms: -8 + 8 = 0
0 + 2u = 18 + 8
2u = 18 + 8

Combine like terms: 18 + 8 = 26
2u = 26

Divide each side by '2'.
u = 13

Simplifying
u = 13

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