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15 votes


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


2 Answers

5 votes
infinite solutions

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User Burre
by
3.7k 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
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3.5k points