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Solve for n

 

2(n - 9) - 1 = 1

 Mar 14, 2021
 #1
avatar+31228 
+1

2(n - 9) - 1 = 1     Expand

2n -18  - 1  = 1

2n  - 19  = 1

2n  = 20

n = 10

 Mar 14, 2021
 #2
avatar+14 
0

simplify

2n-18-1=1

simplify

2n-19=1

add 19

2n=20

divide by 2

n=10

(I'm new to this, so get a secon opinion:)

 Mar 14, 2021

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