3k-8k+7=-18

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Solution for 3k-8k+7=-18 equation: 



3k-8k+7=-18

We move all terms to the left:

3k-8k+7-(-18)=0

We add all the numbers together, and all the variables

-5k+25=0

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

-5k=-25

k=-25/-5

k=+5

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