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-3=7n+3+4n
We simplify the equation to the form, which is simple to understand
-3=7n+3+4n
We move all terms containing n to the left and all other terms to the right.
-7n-4n=+3+3
We simplify left and right side of the equation.
-11n=+6
We divide both sides of the equation by -11 to get n.
n=-0.545454545455
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