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7n+5=9
We simplify the equation to the form, which is simple to understand
7n+5=9
We move all terms containing n to the left and all other terms to the right.
+7n=+9-5
We simplify left and right side of the equation.
+7n=+4
We divide both sides of the equation by 7 to get n.
n=0.571428571429
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