How do you solve the system 7x+2y=24 and 8x+2y=30?

May 26, 2018

Answer:

$x = 6 , y = - 9$

Explanation:

Subtract equation one from equation two

$x + o = 6$

Put $x = 6$ into $7 x + 2 y = 24$

$\implies 42 + 2 y = 24$

$2 y = - 18$

$y = - 9$