u=3(2n+33)+7(n+1)

Solution for u=3(2n+33)+7(n+1) equation:

Simplifying
u = 3(2n + 33) + 7(n + 1)

Reorder the terms:
u = 3(33 + 2n) + 7(n + 1)
u = (33 * 3 + 2n * 3) + 7(n + 1)
u = (99 + 6n) + 7(n + 1)

Reorder the terms:
u = 99 + 6n + 7(1 + n)
u = 99 + 6n + (1 * 7 + n * 7)
u = 99 + 6n + (7 + 7n)

Reorder the terms:
u = 99 + 7 + 6n + 7n

Combine like terms: 99 + 7 = 106
u = 106 + 6n + 7n

Combine like terms: 6n + 7n = 13n
u = 106 + 13n

Solving
u = 106 + 13n

Solving for variable 'u'.

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

Simplifying
u = 106 + 13n