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OpenStudy (anonymous):
11r - 12 r= -1r
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OpenStudy (anonymous):
you have infinite solutions. r can be anything.
OpenStudy (anonymous):
it is a solution not a qus? r is common both sides, it cancels.!
OpenStudy (anonymous):
no you cannot divide r on both sides, doing so decrease the number of solutions you have. Here's the proper way to show that r has infinite number of solutions. 11r - 12r = -1r -1 r = -1 r -1r +r = 0 0 = 0.
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