The system using elimination 3y-4x=-33 and 5x-3y=40.5

(7.5, - 1)

Step-by-step explanation:

3y-4x=-33

-3y+5x=40.5

The y's cancel out

1x=7.5

x = 7.5

Then substitute 7.5 into either of the two equations.

5x7.5-3y=40.5

37.5-3y=40.5

-3y=3

y=-1

Answer: (7.5,-1)

go to a website called 'mathpapa' it will literally answer any math equation for you