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OpenStudy (anonymous):
solve 20-5r=20-5r
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OpenStudy (saifoo.khan):
No solution.
OpenStudy (anonymous):
0
OpenStudy (saifoo.khan):
Not zero.
OpenStudy (anonymous):
then?
OpenStudy (saifoo.khan):
No solution.
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OpenStudy (anonymous):
-5r=5r =0 20-20=0
OpenStudy (anonymous):
infinite solutions
OpenStudy (anonymous):
it means there are infinite solutions,
OpenStudy (saifoo.khan):
but there wont be ZERO. when you write that, it can refer to: r = 0
OpenStudy (saifoo.khan):
@retwick
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OpenStudy (anonymous):
depending on your domain the solution may be r element or |R
OpenStudy (anonymous):
i meant r=0
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