-0.4y +5=37

-0.4y=37-5

-0.4y=32

y=32/(-0.4)

y=-80

1.8x-(x-4.3)=(0.2x+0.5)-1.6

1.8x-x+4.3=0.2x+0.5-1.6

0.8x+4.3=0.2x-1.1

0.8x-0.2x=-1.1-4.3

0.6x=-5.4

x=-9

24=6(x-5)

24/6=6(x-5)/6

4=x-5

-x=-5-4

-x=-9

x=9