Question

When the positive integer x is divided by 5, the remainder is 3. What is the remainder when x+19 is divided by 5?

Answer 1

where did you get that equation from?

Answer 2

I'm using the division of polynomial form P(x) = D(x)Q(x) + R(x)

Answer 3

oh ok, i've never heard of that so i was confused

Answer 4

i'm in Pre Calculas in High School (11th grade)

Answer 5

x = 5n + 3 (n = integer)
(x+19)/5 = (5n+3+19)/5 = (5n+22)/5 = n + 4 rem 2