Question
5 p - 4 u = 21
4 p - 9 u = 11

Find the following values.
  1. 1 u
  2. 1 p
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

5 p - 4 u = 21
4 p - 9 u = 11

Find the following values.
  1. 1 u
  2. 1 p