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What is the solution to the system of equations below? 3x+4y= -2 2x-4y= -8 A:x=2,y=-2 B:x=6,y=-5 C:x=4,y=4 D:x=-2,y=1 D:

What is the solution to the system of equations below? 3x+4y= -2 2x-4y= -8 A:x=2,y=-2 B:x=6,y=-5 C:x=4,y=4 D:x=-2,y=1 D:
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What is the solution to the system of equations below?

3x+4y= -2
2x-4y= -8
A:x=2,y=-2
B:x=6,y=-5
C:x=4,y=4
D:x=-2,y=1
D:

User WillDonohoe
by
7.5k points

1 Answer

3 votes
If you add the two equations together, you'll get:

5x=-10, which gives x = -2.

Replace x = -2 in any of the two equations and you'll get y = 1.

So correct answer is D: x=-2,y=1
User Vpekar
by
8.4k points
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