Comparing Linear Systems and Matrix Operations: In Exercises 39 and 40, (a) perform the row operations to solve the augmented matrix, (b) write and solve the system of linear equations (in variables
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College Algebra
- Solve the system of equations using a matrix: {x+yz=02x+4y2z=63x+6y3z=9 .arrow_forwardOne 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_forwardWrite the augmented matrix of the given system of equations. 4x3y=113x+2y=4arrow_forward
- Solve the system using matrices. x+4yz=42x+5y+8z=15x+3y3z=1arrow_forwardSolve the system using the inverse of the coefficient matrix. 2x17y+11z=0x+11y7z=83y2z=2arrow_forwardFor the following exercise, use a calculator to solve the system equations with matrix inverses. 45. 12.3x2y2.5z=236.9x+7y7.5z=78y5z=10arrow_forward
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