(2)/(5)n+(1)/(10)=(1)/(2)(n+4)

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Solution for (2)/(5)n+(1)/(10)=(1)/(2)(n+4) equation:


(2)/(5)n+(1)/(10)=(1)/(2)(n+4)

We simplify the equation to the form, which is simple to understand 
(2)/(5)n+(1)/(10)=(1)/(2)*(n+4)

Reorder the terms in parentheses
dividing of parentheses
( + 0.4)*n+(1)/(10)=(1)/(2)*(n+4)



Reorder the terms in parentheses
( + 0.4n)+(1)/(10)=(1)/(2)*(n+4)

Remove unnecessary parentheses
 + 0.4n+(1)/(10)=(1)/(2)*(n+4)

Reorder the terms in parentheses
dividing of parentheses
 + 0.4n+( + 0.1)=(1)/(2)*(n+4)



Remove unnecessary parentheses
 + 0.4n + 0.1=+(+1+)+/(+2+)+*(+n+4+)

Reorder the terms in parentheses
dividing of parentheses
 + 0.4n + 0.1=( + 0.5)*(n+4)



Reorder the terms in parentheses
multiplication of parentheses
 + 0.4n + 0.1=( + 0.5n+2)



Remove unnecessary parentheses
 + 0.4n + 0.1=0.5n+2

We move all terms containing n to the left and all other terms to the right. 
 + 0.4n-0.5n=+2-0.1

We simplify left and right side of the equation. 
-0.1n=+1.9

We divide both sides of the equation by -0.1 to get n. 
n=-19

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