To solve: The system of linear equations using substitution.
Answer to Problem 19PPE
The solution is x = 4 and y = 6.
Explanation of Solution
Given information:
The equations
Calculation:
Simplify equation
Substitute
Now simplify above equation.
Use above value ofy in equation
Therefore the solution is x = −12 and y = −5.
Check
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High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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