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7x - 3y = 4 2x - 4y = 1 The solution to the system of equations is A.(13/34, -15/34) B.(3/22, -7/22) C.(13/22, 1/22)

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Can you please help me?
you can start by multiplying the first equation by (4) and the second equation by (-3)

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(4) 7x -3y = 4 then you have 28x -12y = 16 (-3) 2x -4y = 1 then you have -6x +12y = -3 now subtract ---------------- what do you get: ????????
So when im about to Subtract i. do the left 28x-12y=16 & -6x=12y+-3

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