Question
Find the value of 1 unit.
  1. 7 u + 40 = 740
  2. 40 + 7 u = 740
  3. 8 u - 10 = 310
  4. 310 = 8 u - 10
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. 7 u + 40 = 740
  2. 40 + 7 u = 740
  3. 8 u - 10 = 310
  4. 310 = 8 u - 10