-4u+4=7-u

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


Simplifying
-4u + 4 = 7 + -1u

Reorder the terms:
4 + -4u = 7 + -1u

Solving
4 + -4u = 7 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
4 + -4u + u = 7 + -1u + u

Combine like terms: -4u + u = -3u
4 + -3u = 7 + -1u + u

Combine like terms: -1u + u = 0
4 + -3u = 7 + 0
4 + -3u = 7

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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