Solve each system by substitution. Check your solution.
To solve: The system by substitution and check the solution.
Answer to Problem 8P
Therefore the solution is
Explanation of Solution
Given information: Solve these two system by substitution
Calculation: In order to solve these above equation, we solve one of the equations for one of the Variables, and plug this into other equation.
First we solve equation
Now we substitute
By plugging y =-3, we get
Therefore the solution is
Verification:
In order to check it, we replace
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