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OpenStudy (anonymous):
Solve the following system of linear equations by substitution: 3x+3y=5/2 3/2x+3/2y=5/4
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OpenStudy (anonymous):
I think y is a free variable. so you have an infinite number of solutions
OpenStudy (anonymous):
multiply the 2nd eq-n by 2 and you will have 2 the same eq-ns
OpenStudy (anonymous):
Yes you are right but if you do this we have all the terms canceling and we get 0=0 which means there is a free variable...right?
OpenStudy (anonymous):
So, 2 lines becomes 1 and you will have infinite number of solutions.
OpenStudy (anonymous):
Umm...okay. Thank you.
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OpenStudy (anonymous):
YAW
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