Join Game Changers!

Apply Today and receive complimentary 6 month Premium subscription!
Quick Homework Help
(down) 0 (up)

How do you solve this system of equation by substitution -5x-8y=172x-7y=-17 

DaVeon001

by DaVeon001 at April 27, 2011

Answers

(up) 0 (down)
one of the variables have to isolated. you need to move one variable to the other side and divide everything by that number.

Charles Charles April 27, 2011

(up) 0 (down)
2x=7y-17 x=(7y-17)/2 plug this in the first equation for x, and then solve for y Then solve for x

chitra003 chitra003 April 28, 2011

Add your answer


Post your answer

Try Instatnt Math