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Chapter 2: Q. 440 (page 208)

In the following exercises, solve.

3x-4+5=7

Short Answer

Expert verified

The solution isx=23orx=2

Step by step solution

01

Step 1. Given information

Absolute value equation:3x-4+5=7

02

Step 2. Calculation

We have,

3x-4+5=7

3x-4+5-5=7-5

3x-4=2

3x-4=-2 or 3x-4=2

3x-4+4=-2+4 or 3x-4+4=2+4

3x=2 or 3x=6

3x3=23 or 3x3=63

x=23 orx=2

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