2/5n+7=12

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Solution for 2/5n+7=12 equation:



2/5n+7=12
We move all terms to the left:
2/5n+7-(12)=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-5=0
We multiply all the terms by the denominator
-5*5n+2=0
Wy multiply elements
-25n+2=0
We move all terms containing n to the left, all other terms to the right
-25n=-2
n=-2/-25
n=2/25

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