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3(n+2.1)=15.6
We simplify the equation to the form, which is simple to understand
3(n+2.1)=15.6
Reorder the terms in parentheses
+(+3n+6.3)=15.6
Remove unnecessary parentheses
+3n+6.3=+15.6
We move all terms containing n to the left and all other terms to the right.
+3n=+15.6-6.3
We simplify left and right side of the equation.
+3n=+9.3
We divide both sides of the equation by 3 to get n.
n=3.1
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