u=7(3n+33)+9(n+1)

Solution for u=7(3n+33)+9(n+1) equation:

Simplifying
u = 7(3n + 33) + 9(n + 1)

Reorder the terms:
u = 7(33 + 3n) + 9(n + 1)
u = (33 * 7 + 3n * 7) + 9(n + 1)
u = (231 + 21n) + 9(n + 1)

Reorder the terms:
u = 231 + 21n + 9(1 + n)
u = 231 + 21n + (1 * 9 + n * 9)
u = 231 + 21n + (9 + 9n)

Reorder the terms:
u = 231 + 9 + 21n + 9n

Combine like terms: 231 + 9 = 240
u = 240 + 21n + 9n

Combine like terms: 21n + 9n = 30n
u = 240 + 30n

Solving
u = 240 + 30n

Solving for variable 'u'.

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

Simplifying
u = 240 + 30n