1+2k=9+4k

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Solution for 1+2k=9+4k equation: 



1+2k=9+4k

We move all terms to the left:

1+2k-(9+4k)=0

We add all the numbers together, and all the variables

2k-(4k+9)+1=0

We get rid of parentheses

2k-4k-9+1=0

We add all the numbers together, and all the variables

-2k-8=0

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

-2k=8

k=8/-2

k=-4

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