232k views
15 votes


21x+6y=42
7x+2y=14


2 Answers

5 votes
infinite solutions

hahqjwjwowowowowk
User Burre
by
6.3k points
13 votes

For this case we have the following system of equations:

We multiply the second equation by -3:

Thus, we observe that the second equation is equivalent to the first, if we add both we get:

The equality is fulfilled. The lines are on top of each other.

Answer:

Infinite solutions

User Ivan Yulin
by
6.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.