write the following equations in slope intercept form
Equation 1: 2x+5y= -1
Equation 2: 10y= -4y-20
Equation 3: y= -x -7
Equation 4: y - x =20

Respuesta :

Answer:

problem 1 2x+5y= 0

×=-1/2-5/2y

problem 2 y=1 3/7y y=-1.428571

7y=-10

problem 3 x=-7

problem 4 x-y=20

x=-20