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Mathematics 10 Online
OpenStudy (anonymous):

PLEASE CHECK ANSWER ! WILL GIVE MEDAL ! . Solve, using the substitution method. j + k = 3 j – k = 7 The solution is (8, 1) The solution is (5, –2) There is no solution. There are an infinite number of solutions. ANSWER ! - B

OpenStudy (anonymous):

B is correct

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