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

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



5(5k+2)=7(7-2k)
We move all terms to the left:
5(5k+2)-(7(7-2k))=0
We add all the numbers together, and all the variables
5(5k+2)-(7(-2k+7))=0
We multiply parentheses
25k-(7(-2k+7))+10=0
We calculate terms in parentheses: -(7(-2k+7)), so:
7(-2k+7)
We multiply parentheses
-14k+49
Back to the equation:
-(-14k+49)
We get rid of parentheses
25k+14k-49+10=0
We add all the numbers together, and all the variables
39k-39=0
We move all terms containing k to the left, all other terms to the right
39k=39
k=39/39
k=1

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