2u-u+4=15

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Solution for 2u-u+4=15 equation:


Simplifying
2u + -1u + 4 = 15

Reorder the terms:
4 + 2u + -1u = 15

Combine like terms: 2u + -1u = 1u
4 + 1u = 15

Solving
4 + 1u = 15

Solving for variable 'u'.

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

Add '-4' to each side of the equation.
4 + -4 + 1u = 15 + -4

Combine like terms: 4 + -4 = 0
0 + 1u = 15 + -4
1u = 15 + -4

Combine like terms: 15 + -4 = 11
1u = 11

Divide each side by '1'.
u = 11

Simplifying
u = 11

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