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Chapter 9: Q. 406 (page 1108)

In the following exercises, solve.

3z-5+2=0.

Short Answer

Expert verified

z=3.

Step by step solution

01

Step 1. Given information.

An equation is given as3z-5+2=0

02

Step 2. Solution.

Isolate radical to one side, take square and simplify.

3z-5+2=03z-5+2-2=0-23z-5=-2(3z-5)2=(-2)2 3z-5=43z-5+5=4+53z=93z3=93z=3

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