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GuDViN [60]
3 years ago
11

Is the order pair (3,-4) a solution of the system of linear equations x+y=1 and -6x-3y=-3

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0

↝ A single coordinate point must make both equations true in order for the point to be a solution.

Substitute x = 3 and y = -4 in both equations.

3-4=1\\-1=1

The equation isn't true. Therefore, this isn't the solution for the system.

-6(3)-3(-4)=-3\\-18+12=-3\\-6=-3

The equation isn't true for this one.

Conclusion ↝ The (3,-4) isn't the solution.

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