k+6=4k-9

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Solution for k+6=4k-9 equation: 



k+6=4k-9

We move all terms to the left:

k+6-(4k-9)=0

We get rid of parentheses

k-4k+9+6=0

We add all the numbers together, and all the variables

-3k+15=0

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

-3k=-15

k=-15/-3

k=+5

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