In Exercises 21-38, solve each system of equations using matrices Use Gaussian elimination with back-substitution or Gauss-Jordan elimination,
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- One hundred liters of a 50% solution is obtained by mixing a 60% solution with a 20% solution. Use a system of linear equations to determine how many liters of each solution are required to obtain the desired mixture. Solve the system using matrices.arrow_forwardSolve the homogeneous linear system corresponding to the coefficient matrix. [121200242412]arrow_forward
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