4u-7v+9v+u+5u+2v=

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Solution for 4u-7v+9v+u+5u+2v= equation:


Simplifying
4u + -7v + 9v + u + 5u + 2v = 0

Reorder the terms:
4u + u + 5u + -7v + 9v + 2v = 0

Combine like terms: 4u + u = 5u
5u + 5u + -7v + 9v + 2v = 0

Combine like terms: 5u + 5u = 10u
10u + -7v + 9v + 2v = 0

Combine like terms: -7v + 9v = 2v
10u + 2v + 2v = 0

Combine like terms: 2v + 2v = 4v
10u + 4v = 0

Solving
10u + 4v = 0

Solving for variable 'u'.

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

Add '-4v' to each side of the equation.
10u + 4v + -4v = 0 + -4v

Combine like terms: 4v + -4v = 0
10u + 0 = 0 + -4v
10u = 0 + -4v
Remove the zero:
10u = -4v

Divide each side by '10'.
u = -0.4v

Simplifying
u = -0.4v

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