(k-7)+(k+5=)

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Solution for (k-7)+(k+5=) equation: 



(k-7)+(k+5=)

We move all terms to the left:

(k-7)+(k+5-())=0

We get rid of parentheses

k+(k+5-())-7=0



We calculate terms in parentheses: +(k+5-()), so:

k+5-()

We add all the numbers together, and all the variables

k

Back to the equation:

+(k)



We add all the numbers together, and all the variables

2k-7=0

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

2k=7

k=7/2

k=3+1/2

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