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Chapter 7: Q. 131 (page 668)

In the following exercises, perform indicated operations.

2x+710x-1+3

Short Answer

Expert verified

The resultant expression is4x+810x-1.

Step by step solution

01

Step 1. GIven Information

The given expression is2x+710x-1+3.

02

Step 2. Express with LCD

Step 2. Express with LCD

  • The LCD of the given terms is 10x-1.
  • Express the given expression with the LCD.

2x+710x-1+3=2x+710x-1+30x-310x-1

03

Step 3. Simplify

  • As the denominator is the same for both the terms, perform addition in the numerator and place it over the common denominator.

2x+7+30x-310x-1=32x+410x-1=4x+810x-1

  • So, the resultant expression is4x+810x-1.

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