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Mathematics 23 Online
OpenStudy (anonymous):

1.How many solutions are there to the following system of equations? 2x + 6y = 4 5x + 15y = 10 A.2 B.infinitely many C.0 D.1 2.How many solutions are there to the following system of equations? 3x + 7y = –10 15x + 35y = –45 A.2 B.infinitely many C.0 D.1 4.Use the substitution method to solve the following system of linear equations: 2x + 2y = 10 x = –y + 5 A.There are an infinite number of solutions. B.The solution is (4, –1). C.The solution is (2, –3). D.There is no solution.

OpenStudy (anonymous):

pleas help

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