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Mathematics 19 Online
OpenStudy (anonymous):

ah

OpenStudy (anonymous):

do u know elimination concept? that is so easy, just try it

OpenStudy (anonymous):

Solve the system. 20x - 12y = 4 -21x +12y =-6 -x = -2 x = 2 Substitute 2 for x & solve either equation. You get y= 3 (2,3)

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