In Exercises 29–30, solve each system for ( x , y , z ) in terms of the nonzero constants a , b , and c . 29. { a x − b y − 2 c z = 21 a x + b y + c z = 0 2 a x − b y + c z = 14
In Exercises 29–30, solve each system for ( x , y , z ) in terms of the nonzero constants a , b , and c . 29. { a x − b y − 2 c z = 21 a x + b y + c z = 0 2 a x − b y + c z = 14
Solution Summary: The author explains the steps to solve the linear systems in three variables by eliminating variables.
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