Question
Find the value of 1 unit.
  1. 7 u + 1 = 2 u + 16
  2. 5 u + 15 = 7 u + 1
  3. 7 u - 23 = 3 u + 5
  4. 13 u - 17 = 5 u + 7
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 + 1 = 2 u + 16
  2. 5 u + 15 = 7 u + 1
  3. 7 u - 23 = 3 u + 5
  4. 13 u - 17 = 5 u + 7