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How many solutions does the system of equations have  y=r+2 y=3r

How many solutions does the system of equations have  y=r+2 y=3r
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How many solutions does the system of equations have  y=r+2 y=3r

User Sander Toonen
by
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1 Answer

7 votes
We can solve the system of equations by substitution:
3r=r+2
-r -r
2r=2
r=1

The system has one solution
User LeTex
by
8.3k points
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