u-u+4u-2u-4=17

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Solution for u-u+4u-2u-4=17 equation:


Simplifying
u + -1u + 4u + -2u + -4 = 17

Reorder the terms:
-4 + u + -1u + 4u + -2u = 17

Combine like terms: u + -1u = 0
-4 + 0 + 4u + -2u = 17
-4 + 4u + -2u = 17

Combine like terms: 4u + -2u = 2u
-4 + 2u = 17

Solving
-4 + 2u = 17

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 + 2u = 17 + 4

Combine like terms: -4 + 4 = 0
0 + 2u = 17 + 4
2u = 17 + 4

Combine like terms: 17 + 4 = 21
2u = 21

Divide each side by '2'.
u = 10.5

Simplifying
u = 10.5

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