k+5=20-k

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Solution for k+5=20-k equation: 



k+5=20-k

We move all terms to the left:

k+5-(20-k)=0

We add all the numbers together, and all the variables

k-(-1k+20)+5=0

We get rid of parentheses

k+1k-20+5=0

We add all the numbers together, and all the variables

2k-15=0

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

2k=15

k=15/2

k=7+1/2

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