(u+4)*7=42

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


Simplifying
(u + 4) * 7 = 42

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

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

Solving
28 + 7u = 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 + 7u = 42 + -28

Combine like terms: 28 + -28 = 0
0 + 7u = 42 + -28
7u = 42 + -28

Combine like terms: 42 + -28 = 14
7u = 14

Divide each side by '7'.
u = 2

Simplifying
u = 2

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