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Andreyy89
3 years ago
6

Examine this system of linear equations. y – 3x=-2, y = 4

Mathematics
2 answers:
Verdich [7]3 years ago
4 0

Answer:

2, 4

Step-by-step explanation:

Ok so for this you have to substitute. y=4 so you put a 4 where the y is. This becomes

4 - 3x = -2 We can already rule out (2,2) and (4,2) Why? Because the y is not a 4. So it’s gonna be either (0,4) or (2,4). Now, we have to find x. We have to isolate it. You do this by subtracting 4 from both sides.

4 - 4 - 3x = -2 - 4 Now Simplify

-3x = -6 Why -6? Because you can’t subtract a positive from a negative so it becomes -2 + -4. Since they are both negatives, you just add them together, then put the negative sign.

Now divide -3 from both sides. Which becomes

x = 2

creativ13 [48]3 years ago
4 0

Answer:

(2,4) or x=2,y=4

Step-by-step explanation:

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