(u+5)*7=42

Solution for (u+5)*7=42 equation:

Simplifying
(u + 5) * 7 = 42

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

Reorder the terms for easier multiplication:
7(5 + u) = 42
(5 * 7 + u * 7) = 42
(35 + 7u) = 42

Solving
35 + 7u = 42

Solving for variable 'u'.

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

Add '-35' to each side of the equation.
35 + -35 + 7u = 42 + -35

Combine like terms: 35 + -35 = 0
0 + 7u = 42 + -35
7u = 42 + -35

Combine like terms: 42 + -35 = 7
7u = 7

Divide each side by '7'.
u = 1

Simplifying
u = 1