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3n+9+n=23/10
We simplify the equation to the form, which is simple to understand
3n+9+n=23/10
Simplifying:
3n+9+n=+2.3
We move all terms containing n to the left and all other terms to the right.
+3n+1n=+2.3-9
We simplify left and right side of the equation.
+4n=-6.7
We divide both sides of the equation by 4 to get n.
n=-1.675
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