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Chapter 7: Q. 207 (page 694)

In the following exercises, solve each rational equation

3x+4+7x-4=8x2-16.

Short Answer

Expert verified

The solution is x=-45.

Step by step solution

01

Step 1. Given 

The given equation is: 3x+4+7x-4=8x2-16.

02

Step 2. To find  

We have to solve the equation.

03

Step 3. Calculation 

We multiply both sides by the LCD, then solve the linear equation.

3x+4+7x-4=8x2-163x+4+7x-4=8x+4x-43x+4x+4x-4+7x-4x+4x-4=8x+4x-4x+4x-43(x-4)+7(x+4)=83x-12+7x+28=810x+16=810x=-8x=-810x=-45

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Most popular questions from this chapter

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