Question

How to solve -6x+5y=1 and 6x+4y=-10

Answer 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

Answer 2

-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