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Chapter 9: Q 716 (page 1151)

In the following exercises, solve the equation:

n+11-1=n+4

Short Answer

Expert verified

The required value of the given equation isn=5

Step by step solution

01

Step 1. Given information

Given expression isn+11-1=n+4

02

Step 2. Solve the equation using square roots.

n+11-1=n+4鈬�n+11-2n+11+1=n+4鈬�12-2n+11=4鈬�-2n+11=4-12鈬�-2n+11=-8鈬�n+11=4鈬�n+11=16鈬�n=16-11鈬�n=5

03

Step 3. Check

L.H.S

n+11-1=5+11-1=16-1=4-1=3

R.H.S

n+4=5+4=9=3

L.H.S is equal to R.H.S

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