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Chapter 2: Q 3 (page 111)

In the following exercises, determine whether the given values are solutions to the equation. 8u-1=6u

  1. u=-12
  2. u=12

Short Answer

Expert verified

u=12is the solution of the equation 8u-1=6u.

Step by step solution

01

Step 1. Given information

The equation is 8u-1=6u

Check the solution

02

Step 2. Check option a

Substitute u=-12in the equation 8u-1=6u

role="math" localid="1644389160240" 8-12-1=6-12-4-1=-3-5鈮�-3

So,role="math" localid="1644389289002" u=-12is not the solution.

03

Step 3. Check option b

Substitute u=12in 8u-1=6u

812-1=6124-1=33=3

So,u=12is the solution.

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