Question

b) y = -4 + 3x
x l y quais os numeros de x e de y

Answer 1

-4+3x=0
4=3x
x=4/3

y=-4+3.4/3
y=-4+(9+4/3)
y=-4+13/3
y=-4+4,333
y=0,333

Answer 2

-4+3x=0
3x=4
x=4/3

-4+3.4/3
-4+12/3   mmc= 3  
-12+12/3
0/3
y= 0