3+6u=42

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Solution for 3+6u=42 equation: 


Simplifying
3 + 6u = 42

Solving
3 + 6u = 42

Solving for variable 'u'.

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

Add '-3' to each side of the equation.
3 + -3 + 6u = 42 + -3

Combine like terms: 3 + -3 = 0
0 + 6u = 42 + -3
6u = 42 + -3

Combine like terms: 42 + -3 = 39
6u = 39

Divide each side by '6'.
u = 6.5

Simplifying
u = 6.5

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