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Mashcka [7]
3 years ago
9

Is (8, 3) a solution to the system? - x + 4y = 4 - x + 3y = 1

Mathematics
1 answer:
Kaylis [27]3 years ago
8 0

Answer:

Step-by-step explanation:

You can either substitute (8, 3) into both equations as a test, or you can find the solution yourself.

Rewrite

- x + 4y = 4

- x + 3y = 1

as

- x + 4y = 4

+ x - 3y = -1

and combine like terms.  The result is y = 3.  Then -x + 4(3) = 4, or 8 = x.

Yes, (8, 3) is a solution of this SYSTEM.

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