Solving a System by Substitution In Exercises 1-10, solve the system by the method of substitution.
To calculate: The solution of system of equations,
Answer to Problem 1RE
The solution of system of equations,
Explanation of Solution
Calculation:
Consider the provided equations,
Use the method of substitution to solve the above system. Solve any of the equation for one variable in terms of the other.
Substitute the expression from equation (1) into the second equation to obtain an equation in one variable as,
Solve the above equation further, to get
Back-substitute
So, the solution of the system of equations,
Check this solution as follows:
Substitute
This is true.
Substitute
This is true.
Point
Therefore, the solution of system of equations,
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College Algebra
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