Question
(a) Simplify 15h + 9 - 7h - 3.
(b) Subtract 2s + 7 from 19s + 19.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(a) Simplify 15h + 9 - 7h - 3.
(b) Subtract 2s + 7 from 19s + 19.