Respuesta :
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
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