2 years ago

4) This is a way of expressing a relationship between x and y in set notation. It is called an _ _ _ _ _ _ _ pair.

Mathematics

1 answer:

Kobotan [32]2 years ago

4 0

Answer:

This is a way of expressing a relationship between x and y in set notation. It is called an ORDERED pair.

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Solve the system of equations.

Alenkasestr [34]

Step-by-step explanation:

<u>Step 1: Substitute x from the second equation into the second one</u>

$2x - 9y = 14$

$2(-6y + 7) - 9y = 14$

$(2 * -6y) + (2 * 7) - 9y = 14$

$-12y + 14 - 9y = 14$

$-21y +14 - 14 = 14 - 14$

$-21y/-21 = 0 / -21$

$y = 0$

<u>Step 2: Substitute y into the second equation</u>

$x = -6y + 7$

$x = -6(0) + 7$

$x = 0 + 7$

$x = 7$

Answer: $x = 7, y = 0$

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