Respuesta :
Answer:
60
Step-by-step explanation:
7x- y
Let x = 9 and y = 3
7(9) -3
Multiply
63 -3
Subtract
60
Step-by-step explanation:
we substitute
7(9)-3
63-3
60
Answer:
60
Step-by-step explanation:
7x- y
Let x = 9 and y = 3
7(9) -3
Multiply
63 -3
Subtract
60
Step-by-step explanation:
we substitute
7(9)-3
63-3
60