Question

If x = 4 and y = 7, evaluate the following expression:
20 – (3y - 4x)

Answer 1

Answer:

20 - (3(7) - 4(4)) = 15

Step-by-step explanation:

Answer 2

Answer:

15

Step-by-step explanation:

20 - (3 x 7 - 4 x 4)

20-(21 - 4 x 4)

20-(21 - 16)

20 - (5)

20 - 1 x 5

20 - 5 = 15