-8k+9=-9-10k

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Solution for -8k+9=-9-10k equation:



-8k+9=-9-10k
We move all terms to the left:
-8k+9-(-9-10k)=0
We add all the numbers together, and all the variables
-8k-(-10k-9)+9=0
We get rid of parentheses
-8k+10k+9+9=0
We add all the numbers together, and all the variables
2k+18=0
We move all terms containing k to the left, all other terms to the right
2k=-18
k=-18/2
k=-9

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