Question

encontre o valor Desconhecido x-4y=32sendo x=80

Answer 1

80-4y=32
-4y=32-80
-4y= -48
y= -48/(-4)
y=12

Answer 2

x-4y=32
80-4y=32
-4y=32-80
-4y= -48
y= -48/-4
y=12