Question
(a) Simplify 16n + 9z - 9n - z.
(b) Subtract 11h + 9d + 8x from 21h + 13x + 24d.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(a) Simplify 16n + 9z - 9n - z.
(b) Subtract 11h + 9d + 8x from 21h + 13x + 24d.