18=3(k+3)

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Solution for 18=3(k+3) equation:



18=3(k+3)
We move all terms to the left:
18-(3(k+3))=0
We calculate terms in parentheses: -(3(k+3)), so:
3(k+3)
We multiply parentheses
3k+9
Back to the equation:
-(3k+9)
We get rid of parentheses
-3k-9+18=0
We add all the numbers together, and all the variables
-3k+9=0
We move all terms containing k to the left, all other terms to the right
-3k=-9
k=-9/-3
k=+3

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