Question
(a) Simplify 12d + 9 - 3d - 2.
(b) Subtract 7r + 7 from 19r + 17.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(a) Simplify 12d + 9 - 3d - 2.
(b) Subtract 7r + 7 from 19r + 17.