3 Unknown Calculator Equation 1) a= b= c= d= Equation 2) a= b= c= d= Equation 3) a= b= c= d= X= Y= Z= Click the RESET button to clear all of the boxes. This calculator (as well as the 2

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This online 3×3 System of Linear Equations Calculator solves a system of 3 linear equations with 3 unknowns using Cramer’s rule. Enter the coefficients values for each linear equation of the

x

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This calculator uses Cramer's rule to solve systems of three equations with three unknowns. The Cramer's rule can be stated as follows: Given the system: with then the solution of this system

Solving 3 Equations with 3 Unknowns

= for the left side of the third equation, and it is identical to its right side. The check shows that the solution is correct. Answer. The solution of the system (1) is , , . Example 2 Solve the system of

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ANd if the coefficients are equal then well, then its three equations (one for each coefficient) and 3 unknowns. The three equations are 1) 1 = b 2) 2 = 3 b + a 1 3) 0 = 2 a 1 + 2 b