6+2(k-1)=18

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Solution for 6+2(k-1)=18 equation: 



6+2(k-1)=18

We move all terms to the left:

6+2(k-1)-(18)=0

We add all the numbers together, and all the variables

2(k-1)-12=0

We multiply parentheses

2k-2-12=0

We add all the numbers together, and all the variables

2k-14=0

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

2k=14

k=14/2

k=7

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