Respuesta :
y = x + 2
Substitute y to 0
0=x + 2
Move the variable to the left
-x=2
Change the sign
y = -1/5x - 4
Substitute y to 0
0= -1/5x - 4
Multiply both sides
0= -x -20
Move the variable to the left
Substitute y to 0
0=x + 2
Move the variable to the left
-x=2
Change the sign
y = -1/5x - 4
Substitute y to 0
0= -1/5x - 4
Multiply both sides
0= -x -20
Move the variable to the left