Question

8x - 5y x=4 y=-9 please help

Answer 1

This is quite easy once you learn it. All were doing here is plugging in X and Y

8(4)=32

5(-9)=-45

32-(-45)

Which turns into 32+45=77.

Have a great day!-D@rkSh@d0w

Answer 2

77

Explanation:

8x - 5y

8(4) - 5(-9)

32 + 45

77