To solve: The system of equation
Answer to Problem 1RE
The solution of the system of equation is
Explanation of Solution
Procedure used:
Step1: Pick one of the equations and solve for one of the variables in terms of the remaining variables.
Step2: Substitute the result into the remaining equations.
Step3: If one equation in one variable results, solve this equation. Otherwise, repeat steps 1 and 2 until a single equation with one variable remains.
Step4: Find the values of the remaining variables by back substitutions.
Step5: Check the solution found.
Calculation:
Given system of equation is
Solve the equation by substitution method.
Solve
Substitute
On further simplification,
Substitute
On further simplification,
Check by substituting
Check by substituting
Thus, the solution of the system of equation is
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Chapter 8 Solutions
College Algebra Enhanced with Graphing Utilities (7th Edition) (Sullivan Enhanced with Graphing Utilities Series)
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