Question

Plzzzzzzzzzzzzzzzzzzz

Answer 1

a) 4p+2p-3p

=> 6p-3p

=> 3p

b) 9s-5s+2s-s

=> 4s+1s

=> 5s

c) 8t+3r-7t-9r

=>8t-7t-9+3

=> t-6r

Hope it helps!

Answer 2

3p , 5s , t - 6r

Explanation:

(a)

4p + 2p - 3p ← add the first 2 terms

= 6p - 3p

= 3p

(b)

9s - 5s + 2s - s

= 4s + 2s - s

= 6s - s

= 5s

(c)

8t + 3r - 7t - 9r ← collect like terms

= (8t - 7t) + (3r - 9r)

= t - 6r