9u+2u-4u+5=

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Solution for 9u+2u-4u+5= equation:


Simplifying
9u + 2u + -4u + 5 = 0

Reorder the terms:
5 + 9u + 2u + -4u = 0

Combine like terms: 9u + 2u = 11u
5 + 11u + -4u = 0

Combine like terms: 11u + -4u = 7u
5 + 7u = 0

Solving
5 + 7u = 0

Solving for variable 'u'.

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

Add '-5' to each side of the equation.
5 + -5 + 7u = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7u = 0 + -5
7u = 0 + -5

Combine like terms: 0 + -5 = -5
7u = -5

Divide each side by '7'.
u = -0.7142857143

Simplifying
u = -0.7142857143

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