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2n-1-5n=-4
We simplify the equation to the form, which is simple to understand
2n-1-5n=-4
We move all terms containing n to the left and all other terms to the right.
+2n-5n=-4+1
We simplify left and right side of the equation.
-3n=-3
We divide both sides of the equation by -3 to get n.
n=1
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