Question

2x-y=0; y=x-2 Substitution

Answer 1

Answer:

x=-2, y=-4. (-2, -4).

Step-by-step explanation:

2x-y=0

y=x-2

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2x-(x-2)=0

2x-x+2=0

x+2=0

x=0-2

x=-2

y=-2-2=-4

Answer 2

Answer:

Point form : (-2,-4)

Equation form : x=-2 , y=-4

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! If you need anymore help with math, let me know and I will be more than happy to help you out! ☺

-Karleif Jonsi-