Question
Find the value of 1 unit.
  1. 6 u + 20 = 380
  2. 20 + 6 u = 380
  3. 3 u - 50 = 130
  4. 130 = 3 u - 50
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. 6 u + 20 = 380
  2. 20 + 6 u = 380
  3. 3 u - 50 = 130
  4. 130 = 3 u - 50