k+(-21)+18=30

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Solution for k+(-21)+18=30 equation: 



k+(-21)+18=30

We move all terms to the left:

k+(-21)+18-(30)=0

determiningTheFunctionDomain
k+18-30+(-21)=0

We add all the numbers together, and all the variables

k-33=0

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

k=33

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