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Is the ordered pair (2,7) is a solution of the equation: y - x = 5?

1 Answer

May 6, 2016

Yes.

Explanation:

The ordered pair $(2, 7)$ $(2,7)$ is in the form $(x, y)$ $(x,y)$ so
$x = 2$ $x= 2$
$y = 7$ $y = 7$

Substitute $x$ $x$ and $y$ $y$ values into the equation $y - x = 5$ $y-x=5$

$7 - 2 = 5$ $7 - 2 = 5$
$5 = 5$ $5=5$

Since the equation is correct, the ordered pair is a solution.

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