If x=5 and y= -3 for certain simultaneous equations and the determinant D= -5 then find the value of Dx and Dy.
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D: x2 + x4 = 20 + 20 (a) Set up and solve a system of linear equations to find x1, x2 , x3 and x4. (b) Street AD is temporarily ...
Missing: y= then value
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