7u=u+42

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Solution for 7u=u+42 equation: 


Simplifying
7u = u + 42

Reorder the terms:
7u = 42 + u

Solving
7u = 42 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
7u + -1u = 42 + u + -1u

Combine like terms: 7u + -1u = 6u
6u = 42 + u + -1u

Combine like terms: u + -1u = 0
6u = 42 + 0
6u = 42

Divide each side by '6'.
u = 7

Simplifying
u = 7

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