1)y=23-6x
6x=23-y (x=(23-y)/6)
2)Y=15-2x
2x=15-y (x=(15-y)/2)
3)-2y=18-0.9x (y=(18-0.9x)/-2)
0.9x=18+2y (x=(18+2y)/0.9)
1)y=23-6x
6x=23-y (x=(23-y)/6)
2)Y=15-2x
2x=15-y (x=(15-y)/2)
3)-2y=18-0.9x (y=(18-0.9x)/-2)
0.9x=18+2y (x=(18+2y)/0.9)