2x + 6y = 172x + 10y = 9
2x+6y=172x+10y=9-4y=8divide -4 on each side.y=-22x+10 (-2)=92x-20=9add 20 on each side of the equal sign2x=29divide 2 on each side x=14.5check:2(14.5)+10 (-2)=9