u-4u+4=7

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Solution for u-4u+4=7 equation: 


Simplifying
u + -4u + 4 = 7

Reorder the terms:
4 + u + -4u = 7

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

Solving
4 + -3u = 7

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 + -3u = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -3u = 7 + -4
-3u = 7 + -4

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

Divide each side by '-3'.
u = -1

Simplifying
u = -1

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