Write these ancient problems in a 2 by 2 matrix form Ax = b and solve them: (a) X is
Chapter 1, Problem 1.4.32(choose chapter or problem)
Write these ancient problems in a 2 by 2 matrix form Ax = b and solve them: (a) X is twice as old as Y and their ages add to 39, (b) (x,y) = (2,5) and (3,7) lie on the line y = mx+c. Find m and c.
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