Answer :
-6x+5y=1
6x+4y=-10
_________
9y=-9
---- ----
9 9
y=-1
now substitute (-1) in equation 2 like this.
6x+4(-1)=-10
___________
6x-4=-10
+4 +4
___________
6x=-6
---- ----
6 6
x=-1
X=-1 and Y=-1
6x+4y=-10
_________
9y=-9
---- ----
9 9
y=-1
now substitute (-1) in equation 2 like this.
6x+4(-1)=-10
___________
6x-4=-10
+4 +4
___________
6x=-6
---- ----
6 6
x=-1
X=-1 and Y=-1
I'm indonesian and i cant speak english very well. But i'll try.
You can eliminated that fx. -6x+5y=6 it means 6x=5y-1. So you can subtituted 6x with 5y-1.
5y-1+4y=-10
9y=-9
y=-1
6x=5y-1
6x=5(-1) -1
6x=-5-1
6x=-6
x=-1