Does this system of equations have one solution, no solutions, or an infinite number of solutions? 2x + y = 5 2y + 4x = 10

asked Apr 5, 2017 116k views

3 votes

Does this system of equations have one solution, no solutions, or an infinite number of solutions?

2x + y = 5
2y + 4x = 10

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3 votes

y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5

Twernt answered Apr 12, 2017

7.9k points

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