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Solving Systems of Linear Equations using Substitution

Solving Systems of Linear Equations using Substitution 1.3 - Solution

arrow_back Return to Solving Systems of Linear Equations using Substitution

In step was isolated correctly. In step the expression from step was substituted into the second equation and was solved for correctly. In step was substituted with the value of This is the mistake.

To solve it correctly, we should substitute the with and calculate the value of .
The value of is