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19+2n=5n-2
We simplify the equation to the form, which is simple to understand
19+2n=5n-2
We move all terms containing n to the left and all other terms to the right.
+2n-5n=-2-19
We simplify left and right side of the equation.
-3n=-21
We divide both sides of the equation by -3 to get n.
n=7
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