A, B and C has Tk. 4800, Tk. 7600 and Tk. 7100 respectively. They utilized the amounts to purchase three type of shares of price x, y and z respectively. A purchases 2 shares of price x, 5 of price y and 3 of price z; B purchases 4 shares of price x, 3 of price y and 6 of price z; C purchases 1 share of price x, 4 of price y and 10 of price z. Find x,y, z using Cramer's rule.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.