Question

Evaluate 7x- y if x = 9 and y = 3
A.) 12
B.) 13
C.) 60
D.) 76

Answer 1

Explanation:

we substitute

7(9)-3

63-3

60

Answer 2

60

Explanation:

7x- y

Let x = 9 and y = 3

7(9) -3

Multiply

63 -3

Subtract

60