find sum : 5px + 7q - r ; 2px + 3r and -px + 2q + r
Answers
Answered by
4
Answer:
5px + 7q - r + 2px + 3r + ( - px + 2q + r )
= 5px + 7q - r + 2px + 3r - px + 2q + r
= 5px + 2px - px + 7q + 2q - r + 3r + r
= 6px + 9q
I hope it will help you
Answered by
2
Answer:
6px + 9q + 3r
Step-by-step explanation:
5px+ 7q -r + 2px + 3r - of + 2q + r
=6px +9q + 3r
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