Determine whether the value is a solution of the equation.

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.5, Problem 7E

a.

To determine

Determine whether the value is a solution of the equation.

Expert Solution

No, the given value is not the solution of given equation.

Explanation of Solution

Given information:

4x+7=9x3x=2

Formula used:

Putting value of x in equation.

4x+7=9x34(2)+7=9(2)38+7=183121

So, the given value is not the solution of given equation.

b.

To determine

Determine whether the value is a solution of the equation.

Expert Solution

Yes, the given value is the solution of given equation.

Explanation of Solution

Given information:

4x+7=9x3x=2

Formula used:

Putting value of x in equation.

4x+7=9x34(2)+7=9(2)38+7=18315=15

So, the given value is the solution of given equation.

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