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OpenStudy (anonymous):
one more plz
Solve the following system of equations by linear combination:
3x + 2y = 7
5x – 4y = 19
A.
The solution is (5, 1).
B.
There is no solution.
C.
There are an infinite number of solutions.
D.
The solution is (3, –1).
OpenStudy (tmak11):
5x ? 4y
its all question marks
OpenStudy (anonymous):
5x-4y=19
OpenStudy (tmak11):
thanks
OpenStudy (tmak11):
give me a sec
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OpenStudy (tmak11):
the lines intersect at 3,-1
OpenStudy (anonymous):
okay, so one solution.?.
OpenStudy (tmak11):
both lines are linear, meaning that there is only one possible solution
OpenStudy (anonymous):
Thank you so much!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
OpenStudy (tmak11):
now if they were greator than or less than there would be many many solutions