2u=42-4u

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Solution for 2u=42-4u equation: 


Simplifying
2u = 42 + -4u

Solving
2u = 42 + -4u

Solving for variable 'u'.

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

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

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

Combine like terms: -4u + 4u = 0
6u = 42 + 0
6u = 42

Divide each side by '6'.
u = 7

Simplifying
u = 7

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