Question

If x= 3 and y = 7 evaluate the following expression:

20 - (3y - 4x)

Answer 1

Answer:

17

Step-by-step explanation:

3x3=9    4x7=28   28+9=37   37-20=17

Answer 2

Answer:

11

Step-by-step explanation:

20-(3y-4x)

replace the variables

20-(3*7-4*3)

multiply

20-(21-12)

subtract

20-(9)

20-9

answer=11