Ask
your own question, for FREE!
Mathematics
26 Online
Solve the system by substitution: 2x-y=5 -2x+y=7
Still Need Help?
Join the QuestionCove community and study together with friends!
from the first equation we get 2x = y+5 substitute that in the second equation to get -(y+5)+y =7 solve for y and plug it back in one of the original equations to find the value of x
Can you help with please??
with what?
Solving
there is no solution to this.
Still Need Help?
Join the QuestionCove community and study together with friends!
OK thanks
you are welcome
you get -5 = 7 which is silly, hence this system of equations doesnt have a solution. notice that the slopes of the two lines are the same. this means they are parallel. this means they have no point of intersection and hence no solution
Thank you''
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
XShawtyX:
Helpud83dude4f All this graphing shi hurts my head like how tf do u do this????
Jasonisyours:
What were the key causes of the French Revolution in 1789?
brianagatica14:
A phone company charges $2 for the first five minutes of a phone call and 30 cents per minute thereafter.
CherryLover:
not sure if ya'll hear of this but last year there was this girl and her name is Aubreigh Wyatt and she was bullied by a group of people and they hated her
ctomk3743:
It's another song I had in mind (please no negative comments) I walk through the rain at night as the wind blows hard and the rain pours down on me.
4 hours ago
1 Reply
1 Medal
8 minutes ago
3 Replies
5 Medals
1 hour ago
6 Replies
3 Medals
4 hours ago
41 Replies
3 Medals
1 day ago
8 Replies
7 Medals