Mathematics, 04.08.2019 20:00 oreo543

Which systems of equations have an infinite number of solutions? choose all answers that are correct. a) y=3x+1 -3x+y=1 b) x=-2 x=7 c) y=-x =-x+4 d) x+y=5 y=5-x

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Which systems of equations have an infinite number of solutions? choose all answers that are correc...