How do solve the following linear system?: # 6x+4y=-1 , 5x-5y=10 #?
1 Answer
Jan 12, 2016
Explanation:
This can be done either by elimination or substitution. Fro second equation it is x= 2+y. Substituting it for x in the first equation it would be 6(2+y) +4y=-1 which gives y=