4(u+7)=42

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Solution for 4(u+7)=42 equation: 


Simplifying
4(u + 7) = 42

Reorder the terms:
4(7 + u) = 42
(7 * 4 + u * 4) = 42
(28 + 4u) = 42

Solving
28 + 4u = 42

Solving for variable 'u'.

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

Add '-28' to each side of the equation.
28 + -28 + 4u = 42 + -28

Combine like terms: 28 + -28 = 0
0 + 4u = 42 + -28
4u = 42 + -28

Combine like terms: 42 + -28 = 14
4u = 14

Divide each side by '4'.
u = 3.5

Simplifying
u = 3.5

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