y=-5/9 and x=25/18
Step-by-step explanation:
2x-4y=5
6x-3y=10
Multiple the top by -3
-6x+12y=-15
6x-3y=10
Add both equations
9y=-5
y=-5/9
Plug in y to any equation to find x
6x-3(-5/9)=10
6x+5/3=10
Multiple by 3
18x+5=30
18x=25
x=25/18
Watch out for negative signs