3n=(6+n)(-3)

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Solution for 3n=(6+n)(-3) equation:


3n=(6+n)(-3)

We simplify the equation to the form, which is simple to understand 
3n=(6+n)*(-3)

Reorder the terms in parentheses
multiplication of parentheses
3n=(-18-3n)



Remove unnecessary parentheses
3n=-18-3n

We move all terms containing n to the left and all other terms to the right. 
+3n+3n=-18

We simplify left and right side of the equation. 
+6n=-18

We divide both sides of the equation by 6 to get n. 
n=-3

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