Question
Find the value of 1 unit.
  1. 7 u + 9 = 2 u + 19
  2. 1 u + 15 = 10 u + 6
  3. 10 u - 21 = 4 u + 3
  4. 6 u - 9 = 1 u + 1
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 + 9 = 2 u + 19
  2. 1 u + 15 = 10 u + 6
  3. 10 u - 21 = 4 u + 3
  4. 6 u - 9 = 1 u + 1