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1 vote
Solve.

−3x+3y=−15
x−y=5

A. (5, 0)
B. (0, −5)
C. (1, 4)
D. infinitely many solutions

1 Answer

3 votes
Using elimination method:

( x - y = 5 ) * 3
3x - 3y = 15
-3x + 3y = -15
---------------------
0x + 0y = 0

Everything cancels

Answer: D infinitely many solutions
User Nik Klassen
by
7.6k points

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