7, -13 should be 2
-2, -10 should be -6
C=-y-a/b
Multiply c and y with b
-bc=yb-a
-bc-yb=a
Answer:
Step-by-step explanation:
Step 1: Convert into improper fractions
Step 2: Find least common denominator and find equivalent fractions
Step 3 : Do the required operation

Least common denominator of 2 , 4 = 4

Answer:
112
Step-by-step explanation:
8–4 + (9 x 12)
8–4 + 108
112