Question
(a) Simplify 20r + 10 - 7r - 4.
(b) Subtract 5h + 4 from 20h + 13.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(a) Simplify 20r + 10 - 7r - 4.
(b) Subtract 5h + 4 from 20h + 13.