7u+9w-3v+u-w-w=

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Solution for 7u+9w-3v+u-w-w= equation:


Simplifying
7u + 9w + -3v + u + -1w + -1w = 0

Reorder the terms:
7u + u + -3v + 9w + -1w + -1w = 0

Combine like terms: 7u + u = 8u
8u + -3v + 9w + -1w + -1w = 0

Combine like terms: 9w + -1w = 8w
8u + -3v + 8w + -1w = 0

Combine like terms: 8w + -1w = 7w
8u + -3v + 7w = 0

Solving
8u + -3v + 7w = 0

Solving for variable 'u'.

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

Add '3v' to each side of the equation.
8u + -3v + 3v + 7w = 0 + 3v

Combine like terms: -3v + 3v = 0
8u + 0 + 7w = 0 + 3v
8u + 7w = 0 + 3v
Remove the zero:
8u + 7w = 3v

Add '-7w' to each side of the equation.
8u + 7w + -7w = 3v + -7w

Combine like terms: 7w + -7w = 0
8u + 0 = 3v + -7w
8u = 3v + -7w

Divide each side by '8'.
u = 0.375v + -0.875w

Simplifying
u = 0.375v + -0.875w

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