Question

please tell me quickly as possible right answer is mark as brainlist answer​

Answer 1

Answer:

your answer is below

Step-by-step explanation:

-18+(-28)=-18-28

=-46

-15-16=-31

-7-11=-18

7+(-11)=-11+7

=-4

Answer 2

Step-by-step explanation:

-18 + (-28) = -18-28 = 46

-15 + (-16) = -15-16 = -31

-7 + (-11) = -7-11 = -18

+7 + (-11) = 7-11 = -4