Tofind:the solution of the system of equations algebraically.
Answer to Problem 57E
Explanation of Solution
Given:
Concept used:
In the elimination method or substitution method:
Either add or subtract equation to get an equation in one variable.
When the coefficients in one variable are opposites then add the equations to eliminate the variable and when the coefficients of one variable are equal and subtract the equation to eliminate a variable.
Calculation:
Consider the equation:
To find the solutions of
Multiplying equation
Multiplying the equation
By substituting the value of
Substituting the value of
Hence,
Chapter 10 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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