Systems of Equations May someone check my answer

Question

anonymous · Answer

attachment

anonymous · Answer

@KirbyLegs i got A would that be correct or is that wrong

anonymous · Answer

Not exactly. There is an extra step in this problem that wasn't needed in the last.

anonymous · Answer

2x -8y = 8
-3x + 2y = 8

In order to cancel out the "y," you have to make them cancel each other out.
In order to to make -8 and 2 cancel out, you have to multiply the 2 by 4
Once you do that, you have to multiply the entire equation by 4

2x-8y-8
4(-3x+2y=8)

2x - 8y = 8
-12x+8y = 32

anonymous · Answer

Then you cancel out the y
Add vertically. . . 

-10x = 40

x = -4

anonymous · Answer

so for the last step what you basically did was change the sign into division

anonymous · Answer

When I had -10x = 40
Yes I divided both sides by -10 to separate the "x"

x = -40/10
x= -4

anonymous · Answer

so that would leave me with answer choice C

anonymous · Answer

Correct :)