Y=x−7 x=y+7 use any system to solve this problem and find for both x and y and tell me the solution please?

asked Feb 23, 2015 28.6k views

1 vote

Y=x−7

x=y+7 use any system to solve this problem and find for both x and y and tell me the solution please?

by Mjlee

7.8k points

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1 vote

$y=x-7\\ x=y+7\\\\ y=x-7\\ y=x-7$

The equations are identities, so
$x,y\in \mathbb{R}$

Deadkarma answered Feb 28, 2015

7.7k points

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