Question
Find the value of 1 unit.
  1. 2 u - 13 = 7 - 3 u
  2. 7 - 3 u = 2 u - 13
  3. 3 u - 3 = 21 - 1 u
  4. 21 - 1 u = 3 u - 3
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the value of 1 unit.
  1. 2 u - 13 = 7 - 3 u
  2. 7 - 3 u = 2 u - 13
  3. 3 u - 3 = 21 - 1 u
  4. 21 - 1 u = 3 u - 3