2(k+1)+1=9

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Solution for 2(k+1)+1=9 equation: 



2(k+1)+1=9

We move all terms to the left:

2(k+1)+1-(9)=0

We add all the numbers together, and all the variables

2(k+1)-8=0

We multiply parentheses

2k+2-8=0

We add all the numbers together, and all the variables

2k-6=0

We move all terms containing k to the left, all other terms to the right

2k=6

k=6/2

k=3

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