farmeryelton farmeryelton

24-04-2017
Mathematics

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2=9−n

a n = 7n
b n = 8n=
c n= 9n

Respuesta :

yr10015 yr10015

24-04-2017

n=7

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

2-(9-n)=0

Step by step solution :
Step 1 :Solving a Single Variable Equation :

Solve  :    n-7 = 0

Add  7 to both sides of the equation :
                      n = 7

One solution was found : n = 7

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