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Mathematics, 20.07.2019 22:00 Homepage10
Michiko claims that to solve the system of linear equations 15x+8y=1 and 21x+4y=-13, instead of multiplying the second equation by –2 and then adding the equations, she could multiply the second equation by 2 and then subtract the second equation from the first equation. which statement is correct? a michiko is right for this system of linear equations, but her method will not work for other systems of linear equations. b michiko is right for this system of linear equations, and her method will also work for other systems of linear equations. c michiko is wrong because her method will give the opposite of the correct value for x for any system of linear equations. d michiko is wrong because her method will give the opposite of the correct value for y for any system of linear equations.
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Michiko claims that to solve the system of linear equations 15x+8y=1 and 21x+4y=-13, instead of mult...
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