Question

Solve the following system of equations:

-2x + y = 1
-4x + y = -1

Answer 1

(3, 1)
(-1, 3)
(-1, -3)
(1, 3)

Answer 2

Plug in the equation and it shows you the steps too..

http://www.mathpapa.com/algebra-calculator.html

Answer 3

I still don't get it

Answer 4

Like, it gives me an equation.

Answer 5

https://www.desmos.com/calculator

Answer 6

−2x+y+2x=1+2x(Add 2x to both sides)
y=2x+1

Answer 7

(2x+1) for y in −4x+y=−1:

Answer 8

enter them in here and it should give you all the info you need, i use this all the time.

Answer 9

−4x+2x+1=−1
Add -1 to both sides)

Answer 10

−2x=−2
(Divide both sides by -2)

Answer 11

Substitute (1) for x in y=2x+1:

Answer 12

y=2(1)+1