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How many solutions does the system have? x−3y=7 −2x+6y=6
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1 vote
How many solutions does the system have?

x−3y=7

−2x+6y=6

How many solutions does the system have? x−3y=7 −2x+6y=6-example-1
User Corindiano
by
8.3k points

1 Answer

2 votes
multiply first equation by 2
2x - 6y = 14
-2x + 6y = 6
-------------------add
0x + 0y = 20
0 ≠ 20

answer
zero solution
User Thomas Kirchhoff
by
7.2k points
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