2+2u+7=42

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Solution for 2+2u+7=42 equation: 


Simplifying
2 + 2u + 7 = 42

Reorder the terms:
2 + 7 + 2u = 42

Combine like terms: 2 + 7 = 9
9 + 2u = 42

Solving
9 + 2u = 42

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + 2u = 42 + -9

Combine like terms: 9 + -9 = 0
0 + 2u = 42 + -9
2u = 42 + -9

Combine like terms: 42 + -9 = 33
2u = 33

Divide each side by '2'.
u = 16.5

Simplifying
u = 16.5

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