find the sum -a+5b+7c, 2a+10b+9c
Answers
Answered by
5
Step-by-step explanation:
-a+5b+7c+2a+10b+9c
a+15b+16c
............
Answered by
5
Answer:
a+15b+16c
Step-by-step explanation:
-a+5b+7c, 2a+10b+9c
=(−a+2a)+(5b+10b)+(7c+9c)
=a+15b+16c
Hope it helps plz mark me as Brainliest....
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