-8.5+3(1+5k)=21.5

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Solution for -8.5+3(1+5k)=21.5 equation: 



-8.5+3(1+5k)=21.5

We move all terms to the left:

-8.5+3(1+5k)-(21.5)=0

We add all the numbers together, and all the variables

3(5k+1)-8.5-(21.5)=0

We add all the numbers together, and all the variables

3(5k+1)-30=0

We multiply parentheses

15k+3-30=0

We add all the numbers together, and all the variables

15k-27=0

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

15k=27

k=27/15

k=1+4/5

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