n + 1 - 3n = -5 + n + 1 - 2
Combine like terms:
n - 3n = -2n
-2n + 1 = -5 + n + 1 - 2
Combine like terms:
-5 + 1 - 2 = -6
-2n + 1 = n - 6
Subtract 'n' to both sides:
-3n + 1 = -6
Subtract 1 to both sides:
-3n = -7
Divide -3 to both sides:
n = 2 1/3 or 7/3
