-8=-7+k/9

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Solution for -8=-7+k/9 equation: 



-8=-7+k/9

We move all terms to the left:

-8-(-7+k/9)=0

We add all the numbers together, and all the variables

-(k/9-7)-8=0

We get rid of parentheses

-k/9+7-8=0

We multiply all the terms by the denominator


-k+7*9-8*9=0

We add all the numbers together, and all the variables

-1k-9=0

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

-k=9

k=9/-1

k=-9

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