15(2+k)=420

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Solution for 15(2+k)=420 equation: 



15(2+k)=420

We move all terms to the left:

15(2+k)-(420)=0

We add all the numbers together, and all the variables

15(k+2)-420=0

We multiply parentheses

15k+30-420=0

We add all the numbers together, and all the variables

15k-390=0

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

15k=390

k=390/15

k=26

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