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Chapter 2: Q. 115 (page 229)

In the following exercise, solve each equation requiring simplification.

78n鈭�34n=9+2

Short Answer

Expert verified

On simplifying, we getn=88.

Step by step solution

01

Step 1. Given information

Thegivenequationis78n鈭�34n=9+2.Wehavetosimplifythegivenequation.

02

Step 2. Simplify

Now,鈬�78n鈭�34n=9+2鈬�78鈭�34n=11Simplifyeachside鈬�7鈰�4鈭�3鈰�88鈰�4n=11鈬�28鈭�248鈰�4n=11鈬�48鈰�4n=11鈬�8脳n8=8脳11Multiplybothsidesby8鈬�n=88

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