What should be subtracted from 2a+8b+10 to get-3a+7b+16 ?please give answer

(2a+8b+10) - (-3a+7b+16)

=(2a-(-3a)) +(8b-7b) +(10-16)

= (5a +b -6) 

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To get the number which isto be subtracted from 2a+8b+10 to get -3a+7b+16, we have to subtract-3a+7b+16 from 2a+8b+10.

2a + 8b + 10

-(+)- 3a (-) + 7b (-) + 10

5a + b

Ans: 5a + b.

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