Question

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

Answer 1

(5a+b-6 ) Should be subtracted

from (2a+8b+10) to get

(-3a+7b+16).

Explanation:

Let x should be subtracted

from 2a+8b+10 to get

-3a+7b+16

Now ,

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

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

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

=> 5a+b-6 = x

Therefore ,

x = 5a+b-6

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