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Solve the System by Substitution

Question 21

Essay

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the system is dependent or inconsistent , or if there is no solution , indicate this. If the system is dependent or inconsistent , or if there is no solution , indicate this.

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