Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (anonymous):
Solve the following system of equations by substitution. 3y = 9 and 9y + 2x = -12
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
3y = 9 Therefore y = 3 Substituting y = 3 in 9y + 2x = -12, we get (9*3) + 2x = -12 27 + 2x = -12 2x = -12-27 x = -39/2
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
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
20 hours ago
0 Replies
0 Medals
Maci:
what are the best stock apps for people who want to start investing?
4 days ago
3 Replies
2 Medals
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago
3 Replies
0 Medals
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
2 days ago
9 Replies
1 Medal
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago
2 Replies
1 Medal