u-4u=7

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Solution for u-4u=7 equation: 


Simplifying
u + -4u = 7

Combine like terms: u + -4u = -3u
-3u = 7

Solving
-3u = 7

Solving for variable 'u'.

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

Divide each side by '-3'.
u = -2.333333333

Simplifying
u = -2.333333333

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