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0=-4+k/5
We move all terms to the left:
0-(-4+k/5)=0
We add all the numbers together, and all the variables
-(k/5-4)+0=0
We add all the numbers together, and all the variables
-(k/5-4)=0
We get rid of parentheses
-k/5+4=0
We multiply all the terms by the denominator
-k+4*5=0
We add all the numbers together, and all the variables
-1k+20=0
We move all terms containing k to the left, all other terms to the right
-k=-20
k=-20/-1
k=+20
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