-4k+9-3k=20-2k-1

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Solution for -4k+9-3k=20-2k-1 equation: 



-4k+9-3k=20-2k-1

We move all terms to the left:

-4k+9-3k-(20-2k-1)=0

We add all the numbers together, and all the variables

-4k-3k-(-2k+19)+9=0

We add all the numbers together, and all the variables

-7k-(-2k+19)+9=0

We get rid of parentheses

-7k+2k-19+9=0

We add all the numbers together, and all the variables

-5k-10=0

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

-5k=10

k=10/-5

k=-2

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