-1(2n+3)=-4n(2+3)

Solution for -1(2n+3)=-4n(2+3) equation:

-1(2n+3)=-4n(2+3)

We simplify the equation to the form, which is simple to understand 
-1(2n+3)=-4n(2+3)

Simplifying terms in parentheses
-1*(2n+3)=-4n*(+5)

Reorder the terms in parentheses
+(-2n-3)=-4n*(+5)

Remove unnecessary parentheses
-2n-3=-4n+*(+5+)

Reorder the terms in parentheses
-2n-3=+(-20n)

Remove unnecessary parentheses
-2n-3=-20n

We move all terms containing n to the left and all other terms to the right. 
-2n+20n=+3

We simplify left and right side of the equation. 
+18n=+3

We divide both sides of the equation by 18 to get n. 
n=0.166666666667