Question
9 p - 6 u = 21
5 u - 7 p = 4

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

9 p - 6 u = 21
5 u - 7 p = 4

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