4u=42-2u

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Solution for 4u=42-2u equation: 


Simplifying
4u = 42 + -2u

Solving
4u = 42 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
4u + 2u = 42 + -2u + 2u

Combine like terms: 4u + 2u = 6u
6u = 42 + -2u + 2u

Combine like terms: -2u + 2u = 0
6u = 42 + 0
6u = 42

Divide each side by '6'.
u = 7

Simplifying
u = 7

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