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Q16: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q17: Determine which ordered pair is a solution
Q18: Find the inverse of the matrix. <img
Q19: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q20: Solve the system by substitution, if possible.
Q21: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q22: Determine which ordered pair is a solution
Q24: Solve the system using Gauss-Jordan elimination. <img
Q25: Solve the system of equations by graphing.