7+u=4

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Solution for 7+u=4 equation: 


Simplifying
7 + u = 4

Solving
7 + u = 4

Solving for variable 'u'.

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

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

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

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

Simplifying
u = -3

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