(11+k)3=90

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Solution for (11+k)3=90 equation:



(11+k)3=90
We move all terms to the left:
(11+k)3-(90)=0
We add all the numbers together, and all the variables
(k+11)3-90=0
We multiply parentheses
3k+33-90=0
We add all the numbers together, and all the variables
3k-57=0
We move all terms containing k to the left, all other terms to the right
3k=57
k=57/3
k=19

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