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7n+2=5n-12
We simplify the equation to the form, which is simple to understand
7n+2=5n-12
We move all terms containing n to the left and all other terms to the right.
+7n-5n=-12-2
We simplify left and right side of the equation.
+2n=-14
We divide both sides of the equation by 2 to get n.
n=-7
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