   Chapter 7.5, Problem 7SWU ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# In Exercises 1-8, solve the system of equations. { 2 y x + y = 0     x 2 + x = 0

To determine

To calculate: The solution of the system of equations x2+x=0 and 2yx+y=0.

Explanation

Given Information:

The provided system of equations is,

{x2+x=02yx+y=0

Formula used:

Steps to solve a system of equations in two variables,

{a1x+b1y=c1a2x+b2y=c2

1. Make one of the equations in such a way that one variable is on one side of equal sign while the other variable and constant on the other side.

2. Substitute the value of the variable in another equation.

3. Solve the equation for that variable.

4. Substitute the value of obtained variable in one of the equations.

5. Write the solution of system of equation.

Calculation:

Consider the system of equation,

{x2+x=02yx+y=0

Make the factors of the equation x2+x=0,

x(x+1)=0

This gives the values x=0 and x=1

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