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Mathematics 20 Online
OpenStudy (anonymous):

Can someone do this for me so that I can see exactly how to do it? I fan and medal! Solve the following system of equations: x - 2y = 14 x + 3y = 9 (1, 12) (-1, -12) (12, -1) (12, 1)

OpenStudy (amistre64):

one ancient form of substitution is like this let y = n, and x = 14+2n the top equation is true for all n, use the bottom equation to solve for n

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