Question 647382
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Hi,
Cramer's rule:
 2x – y = 4
–5x + 3y = 3
 x = Dx/D = 15/1 = 15  and y = Dy/D =  26/1 = 26
Note: {{{M =matrix(2,2, a[1],b[1],a[2],b[2])}}}  ={{{ a[1]*b[2] -  b[1]*a[2]}}}
{{{D =matrix(2,2,2,-1,-5,3)}}} = 1
{{{Dx =matrix(2,2,4,-1,3,3)}}} = 15
{{{Dy =matrix(2,2,2,4,-5,3)}}} = 26