Answer :
3x+5y=9 and x-20y=-62
Multiply the first equation by -4
-4(3x+5y=9) = -12x-20y=-36
Then subtract the two equations:
-12x-20y=-36
-(x -20y=-62)
-13x+0y=26
-13x=26
x=-2
3(-2)+5y=9
-6+5y=9
5y=15
y=3
Multiply the first equation by -4
-4(3x+5y=9) = -12x-20y=-36
Then subtract the two equations:
-12x-20y=-36
-(x -20y=-62)
-13x+0y=26
-13x=26
x=-2
3(-2)+5y=9
-6+5y=9
5y=15
y=3