7x+u=13

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Solution for 7x+u=13 equation: 


Simplifying
7x + u = 13

Reorder the terms:
u + 7x = 13

Solving
u + 7x = 13

Solving for variable 'u'.

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

Add '-7x' to each side of the equation.
u + 7x + -7x = 13 + -7x

Combine like terms: 7x + -7x = 0
u + 0 = 13 + -7x
u = 13 + -7x

Simplifying
u = 13 + -7x

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