Question

What is the expression obtained when rs−4st−12s is subtracted from 8rs−9st+15s and then the difference is added to

8rs+5st−7s?

Answer 1

Answer:

which standard pls tell

Step-by-step explanation:

go to lern cbse.com and enter class

Answer 2

Answer:

15rs + 0st + 20s

Step-by-step explanation:

THIS IS THE ANSWER HOPE YOU GOT IT RIGHT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!