207k views
1 vote
How many solutions does this system have -x+3y=3 2x-6y=30

User Yshilov
by
7.5k points

1 Answer

5 votes

Answer:

no solutions

Explanation:

- x + 3y = 3 → (1)

2x - 6y = 30 → (2)

multiply (1) by 2

- 2x + 6y = 6 → (3)

add (2) and (3) term by term

(2x - 2x) + (- 6y + 6y) = 30 + 6

0 + 0 = 36

0 = 36 ← false statement

this false statement indicates the system has no solutions

User Charles Bryant
by
8.7k points

No related questions found