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n+1+3n=4-n
We simplify the equation to the form, which is simple to understand
n+1+3n=4-n
We move all terms containing n to the left and all other terms to the right.
+1n+3n+1n=+4-1
We simplify left and right side of the equation.
+5n=+3
We divide both sides of the equation by 5 to get n.
n=0.6
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