15k+3=20k-4

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Solution for 15k+3=20k-4 equation: 



15k+3=20k-4

We move all terms to the left:

15k+3-(20k-4)=0

We get rid of parentheses

15k-20k+4+3=0

We add all the numbers together, and all the variables

-5k+7=0

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

-5k=-7

k=-7/-5

k=1+2/5

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