Question

What should be subtracted from 3a + 7b – 10 to get - 2a - 7b + 9?​

Answer 1

Step-by-step explanation:

look at the image...

hope it helped u

Answer 2

Step-by-step explanation:

GIVEN,

(3a+7b-10)-x=-2a-7b+9

Transferring terms from LHS to RHS and RHS to LHS

3a+7b-10+2a+7b-9=x

Simplifying the equation

5a+14b-19=x

5a+14b-19 should be subtracted from 3a + 7b – 10 to get - 2a - 7b + 9.