2/5n+7=15

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Solution for 2/5n+7=15 equation:



2/5n+7=15
We move all terms to the left:
2/5n+7-(15)=0
Domain of the equation: 5n!=0
n!=0/5
n!=0
n∈R
We add all the numbers together, and all the variables
2/5n-8=0
We multiply all the terms by the denominator
-8*5n+2=0
Wy multiply elements
-40n+2=0
We move all terms containing n to the left, all other terms to the right
-40n=-2
n=-2/-40
n=1/20

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