3+7k=-88

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Solution for 3+7k=-88 equation: 



3+7k=-88

We move all terms to the left:

3+7k-(-88)=0

We add all the numbers together, and all the variables

7k+91=0

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

7k=-91

k=-91/7

k=-13

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