Question

plz solve only marked one​

Answer 1

Answer:

-8

Step-by-step explanation:

2a-2b-4-5-1 (a=-1, b=-2)

2×(-1)-2×(-2)-4-5-1

-2+4-4-5-1

-2-5-1

-7-1

-8

Answer 2

Answer:

see the attachment...