Register
Solve. −3x+3y=−15 x−y=5 A. (5, 0) B. (0, −5) C. (1, 4) D. infinitely many solutions
57.7k views
1 vote
Solve.

−3x+3y=−15
x−y=5

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

User Horia Coman
by
5.1k points

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
5.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Link Copied!