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Mathematics 15 Online
OpenStudy (anonymous):

Can someone plz help ill give medal to the one who solves it −2x + y = 1 −4x + y = −1 (3, 1) (−1, 3) (−1, −3) (1, 3)

Vocaloid (vocaloid):

hint: start by subtracting the two equations

OpenStudy (anonymous):

i tryed im 2 stupid

Vocaloid (vocaloid):

start by subtracting the x's -2x-(-4x) = ?

OpenStudy (jango_in_dtown):

(1,3)

OpenStudy (jango_in_dtown):

try the matrix method

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