15+3k=4(k+3)

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Solution for 15+3k=4(k+3) equation: 



15+3k=4(k+3)

We move all terms to the left:

15+3k-(4(k+3))=0



We calculate terms in parentheses: -(4(k+3)), so:

4(k+3)

We multiply parentheses

4k+12

Back to the equation:

-(4k+12)



We get rid of parentheses

3k-4k-12+15=0

We add all the numbers together, and all the variables

-1k+3=0

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

-k=-3

k=-3/-1

k=+3

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