(1)/(5)(25-5k)=21-3(k-4)

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Solution for (1)/(5)(25-5k)=21-3(k-4) equation:



(1)/(5)(25-5k)=21-3(k-4)
We move all terms to the left:
(1)/(5)(25-5k)-(21-3(k-4))=0
Domain of the equation: 5(25-5k)!=0
k∈R
We add all the numbers together, and all the variables
1/5(-5k+25)-(21-3(k-4))=0
We multiply all the terms by the denominator
-((21-3(k-4)))*5(-5k+25)+1=0
We calculate terms in parentheses: -((21-3(k-4)))*5(-5k+25), so:
(21-3(k-4)))*5(-5k+25
We add all the numbers together, and all the variables
-5k+(21-3(k-4)))*5(+25
Back to the equation:
-(-5k+(21-3(k-4)))*5(+25)
We add all the numbers together, and all the variables
-(-5k+(21-3(k-4)))*525+1=0
We move all terms containing k to the left, all other terms to the right
-(-5k+(21-3(k-4)))*525=-1

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