Question

What should be added to -3a + 7b-16 to get 4a -3b + 19?​

Answer 1

Answer:

7a-10b+35

Step-by-step explanation:

in order to know what should be added , we need to subtract the first term from last term in the question

=> (4a-3b+19) - (-3a+7b-16)

=> 4a-3b+19 +3a -7b+16   (-*-=+)

=> (4a+3a) + (-3b-7b) + (19+16)

=>7a+(-10b)+35

=>7a-10b+35