7k+2=(2k-5)2

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Solution for 7k+2=(2k-5)2 equation: 



7k+2=(2k-5)2

We move all terms to the left:

7k+2-((2k-5)2)=0



We calculate terms in parentheses: -((2k-5)2), so:

(2k-5)2

We multiply parentheses

4k-10

Back to the equation:

-(4k-10)



We get rid of parentheses

7k-4k+10+2=0

We add all the numbers together, and all the variables

3k+12=0

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

3k=-12

k=-12/3

k=-4

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