How many solutions does the system have?
4y=x−7
5x−8y=14
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OpenStudy (princeharryyy):
1
OpenStudy (anonymous):
thanky ou:)
OpenStudy (princeharryyy):
wlcm.!
OpenStudy (anonymous):
r u sure?
OpenStudy (anonymous):
i have a test
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OpenStudy (princeharryyy):
ofcouse
OpenStudy (anonymous):
can you help me with my test please?
OpenStudy (princeharryyy):
ohk..
OpenStudy (anonymous):
x+5y
=0
15y
=−3x
OpenStudy (anonymous):
x+5y=0
15y=−3x
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OpenStudy (princeharryyy):
0
OpenStudy (princeharryyy):
no solution
OpenStudy (anonymous):
River C is 300 miles longer than River D. If the sum of their lengths is 5,600 miles, what is the length of each river?
OpenStudy (princeharryyy):
d = 2650
c = 2950
OpenStudy (princeharryyy):
be quick @hibba i don't have enough time
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OpenStudy (anonymous):
ok sorry
River C is 300 miles longer than River D. If the sum of their lengths is 5,600 miles, what is the length of each river?
OpenStudy (anonymous):
@princeharryyy
OpenStudy (anonymous):
River C is 300 miles longer than River D. If the sum of their lengths is 5,600 miles, what is the length of each river? @princeharryyy
OpenStudy (princeharryyy):
d = 2650
c = 2950
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
using addition
x+y=8
x−y=2
OpenStudy (anonymous):
@princeharryyy
OpenStudy (anonymous):
Which of these systems of equations would be best solved using the subtraction method?
I.
3x−7y+5y=8
−9x+2y=−38
II. 2y=−8x+9x−2
y=3x−6
III. −7x+5x+3y=8
−2x−9y=−38
OpenStudy (anonymous):
@princeharryyy Which of these systems of equations would be best solved using the subtraction method?
I.
3x−7y+5y=8
−9x+2y=−38
II. 2y=−8x+9x−2
y=3x−6
III. −7x+5x+3y=8
−2x−9y=−38