Ask
your own question, for FREE!
Mathematics
18 Online
OpenStudy (anonymous):
solve by substitution method 3x+4y=-8 x=20-7y
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
3(20-7y)+4y=-8 60-21y+4y=-8 -17y=-68 y=4 substitute y=4 in x=20-7y x=20-(7*4)=20-28=-8 x=-8 y=4
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
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
43 minutes ago
2 Replies
0 Medals
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
2 hours ago
2 Replies
0 Medals
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
20 hours ago
10 Replies
2 Medals
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
2 days ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
3 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
3 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
2 days ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
3 days ago
5 Replies
2 Medals
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
1 week ago
3 Replies
0 Medals