For Exercises 33-48, solve the system if possible by using Cramer’s rule. If Cramer’s rule does not apply, solve the system by using another method. (See Example 6-8)
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- The systems in Exercises 25 and 26 exhibit a lower triangular pattern that makes them easy to solve by forward substitution. (We will encounter forward substitution again in Chapter 3.) Solve these systems. x=22x+y=33x4y+z=10arrow_forwardIn Exercises 11 and 12, solve the given system using the method of Example 3.25. 2x+y=15x+3y=2arrow_forwardConsider the system of linear equations in x and y. ax+by=ecx+dy=f Under what conditions will the system have exactly one solution?arrow_forward
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