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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?

1 Answer

4 votes
Answer is 15rs + 20s

Step by step in the attachment

8rs -9st + 15s
- 1rs -4st -12s
____________
7rs -5st + 27s

+ 8rs +5st -7s
___________

15rs + 20s

What is the expression obtained when rs−4st−12s is subtracted from 8rs−9st+15s and-example-1
User LXhelili
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