How do you solve y=-6x-3 and y=3 using the substitution method?

Apr 11, 2018

$x = - 1$

$y = 3$

Explanation:

$y = - 6 x - 3$
$y = 3$

Because of the transitive property...

$- 6 x - 3 = 3$

Add $3$ to both sides...

$- 6 x = 6$

Divide both sides by $- 6$

$x = - 1$