Question

9p-2n+4p+2n= ???

Answer 1

it's like adding apples and oranges
you can only add apples with apples and oranges with oranges
2 apples + 3 apples + 5 oranges - 4 oranges = 5 apples + 1 orange

Answer 2

i still don't seem to understand.

Answer 3

9p - 2n + 4p + 2n = 9p + 4p - 2n + 2n = 13p

Answer 4

-2n + 2n = 0n = 0

Answer 5

so the answer is 0 ?

Answer 6

No, -2n + 2n = 0n, so there are no n's left, only p's

Answer 7

If I had 2 apples, and you had two strawberries..but I ate the two apples, only strawberries are left

Answer 8

oh okay i understand now thank you