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OpenStudy (anonymous):
Solve, using the substitution method. j + k = 3 j – k = 7
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OpenStudy (anonymous):
A. The solution is (8, 1) B. The solution is (5, –2) C. There is no solution. D. There are an infinite number of solutions.
OpenStudy (anonymous):
@mathstudent55, @vanessa16
OpenStudy (anonymous):
Thanks
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