Mathematics
beebopinbe
9

Which system of equations is equivalent to the system of equations shown? x - 2y = 4 3x + y = 9 A) 4x + y = 13 and 2x + 4y = -8 B) 4x - y = 13 and 2x + 4y = 8 C) 4x + y = 13 and 2x - 4y = -8 D) 4x - y = 13 and 2x - 4y = 8

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(2) Answers
ashleiyonce

     x+y= 4  (-2) 3x+2y = 9 -2x -2y = -8  3x +2y = 9   x           = 1 1+y =9 y = 9-1  y =8

Hanington955

x - 2y = 4 3x + y = 9 is equivalent to : 4x - y = 13 2x - 4y = 8

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