SOLUTION: How would solve this system by addition? 5x - 4y = -5 x

SOLUTION: How would solve this system by addition? 5x - 4y = -5 x - 2y = -7

Question 121801: How would solve this system by addition?

5x - 4y = -5 x - 2y = -7
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
5X-4Y=-5 NOW MULTIPLY THE OTHER EQUATION BY -5 & ADD THEM.
-5X+10Y=35
-------------------------
6Y=30
Y=30/6
Y=5 ANSWER.
5X-4*5=-5
5X-20=-5
5X=-5+20
5X=15
X=15/5
X=3 ANSWER.
PROOF
3-2*5=-7
3-10=-7
-7=-7
RELATED QUESTIONS
How would I solve this system by addition: 5x - 4y = -5, x - 2y =... (answered by checkley71)