u=4(7n+35)+5(n+1)

Solution for u=4(7n+35)+5(n+1) equation:

Simplifying
u = 4(7n + 35) + 5(n + 1)

Reorder the terms:
u = 4(35 + 7n) + 5(n + 1)
u = (35 * 4 + 7n * 4) + 5(n + 1)
u = (140 + 28n) + 5(n + 1)

Reorder the terms:
u = 140 + 28n + 5(1 + n)
u = 140 + 28n + (1 * 5 + n * 5)
u = 140 + 28n + (5 + 5n)

Reorder the terms:
u = 140 + 5 + 28n + 5n

Combine like terms: 140 + 5 = 145
u = 145 + 28n + 5n

Combine like terms: 28n + 5n = 33n
u = 145 + 33n

Solving
u = 145 + 33n

Solving for variable 'u'.

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

Simplifying
u = 145 + 33n