Question
Find the value of 1 unit.
  1. 7 u + 2 = 1 u + 20
  2. 4 u + 13 = 8 u + 1
  3. 8 u - 18 = 1 u + 10
  4. 7 u - 5 = 4 u + 4
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 + 2 = 1 u + 20
  2. 4 u + 13 = 8 u + 1
  3. 8 u - 18 = 1 u + 10
  4. 7 u - 5 = 4 u + 4