Answer:
12
Step-by-step explanation:
Substitute in the values
7x = 7*3 = 21
-2y = - 2 * 4 =. - 8
Then there's - 1 aswell
Put it all together and you get 21 - 8 - 1
Whivh equals to 12
you need to divide the numbers that you get untell you find your answer
The common factors for 24,40,56 24 , 40 , 56 are −8,−4,−2,−1,1,2,4,8 - 8 , - 4 , - 2 , - 1 , 1 , 2 , 4 , 8 .