Answer:
7
Step-by-step explanation:
Simplify the following:
13 (-5) - 8 (-9)
13 (-5) = -65:
-65 - 8 (-9)
-8 (-9) = 72:
-65 + 72
-65 + 72 = 7:
Answer: 7
13*-5=-65
8*-9=-72
---------------
-65-(-72)=-65+72=7
