8u=42+u

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Solution for 8u=42+u equation: 


Simplifying
8u = 42 + u

Solving
8u = 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.
8u + -1u = 42 + u + -1u

Combine like terms: 8u + -1u = 7u
7u = 42 + u + -1u

Combine like terms: u + -1u = 0
7u = 42 + 0
7u = 42

Divide each side by '7'.
u = 6

Simplifying
u = 6

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