Question

Simplify:
a)
8x + 5x
b) 9f + 10f – 12f​

Answer 1

Answer for A is,

`13x`

The answer for B is,

`7f`

hope it helps.

Answer 2

13x for A, 7f for B

Explanation:

8x+5x=13x (Because 8+5=13)

9f+10f=19f

Subtract 12f and you get 7f