# How do you solve the system y= 2x + 10 and y= 130 by substitution?

May 30, 2015

$y = 2 x + 10$
and $y = 130$

we substitute the given value of $y$ in the first equation:

$y = 2 x + 10$
$130 = 2 x + 10$
$120 = 2 x$
$x = 60$

hence the solutions are  color(green)(x=60 , y = 130