Question

determine os zeros da função
y=-3x+2

Answer 1

-3x+2=0
-3x=-2 *(-1)
x=2/3 ou x=0,66...

Answer 2

com o y=0
0=-3x+2
-2=-3x
-2/-3=x
x=0,666..

com o x=0
y=-3*0+2
y=2