Question

what should be subtracted from 2a +8b +10 to get -3a +7b +16
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Answer 1

-a-b+6

step by step explanation:

2a+8b+10 - x= -3a+7b+16

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

x=-a-b+6

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Answer 2

Answer:

5a +b -6 should be subtracted from 2a+8b+10 to get -3a+7b+16

Explanation:

Let X be subtracted from 2a +8b +10, it can be written as

       2a +8b +10 -X = -3a +7b+16

  ⇒ -X = -3a +7b +16 -2a -8b -10

  ⇒ -X = -3a -2a +7b -8b +16 -10

⇒ -X = -5a -b +6

After divide by (-) to both side

X = 5a +b -6