2.5k+20=30

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Solution for 2.5k+20=30 equation: 



2.5k+20=30

We move all terms to the left:

2.5k+20-(30)=0

We add all the numbers together, and all the variables

2.5k-10=0

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

2.5k=10

k=10/2.5

k=4

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