Question

Solve the system using a graph.
{-2x = 2y -4
{2x - y = -5

Answer 1

May be this will help you,
http://www.wolframalpha.com/input/?i=Plot%5B%7B-x+%2B2%2C2x%2B5+%7D%2C%7Bx%2C-3%2C3%7D%5D

Answer 2

graph them both, where both lines meet, is the solution

Answer 3

do u know how to graph the line by using this method?
x| y
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Answer 4

but first change the line equation into a slope form

Answer 5

-2x - 2y=-4
2x - y = -5
-3y = -9
y = -3
2x +3 = -5
2x = -8
x = -4