U=2(7n+30)+7(n+1)

Solution for U=2(7n+30)+7(n+1) equation:

Simplifying
U = 2(7n + 30) + 7(n + 1)

Reorder the terms:
U = 2(30 + 7n) + 7(n + 1)
U = (30 * 2 + 7n * 2) + 7(n + 1)
U = (60 + 14n) + 7(n + 1)

Reorder the terms:
U = 60 + 14n + 7(1 + n)
U = 60 + 14n + (1 * 7 + n * 7)
U = 60 + 14n + (7 + 7n)

Reorder the terms:
U = 60 + 7 + 14n + 7n

Combine like terms: 60 + 7 = 67
U = 67 + 14n + 7n

Combine like terms: 14n + 7n = 21n
U = 67 + 21n

Solving
U = 67 + 21n

Solving for variable 'U'.

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

Simplifying
U = 67 + 21n