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n+(n+1)+(n+3)=105
We simplify the equation to the form, which is simple to understand
n+(n+1)+(n+3)=105
Remove unnecessary parentheses
+n+n+1+(+n+3+)=+105
Remove unnecessary parentheses
+n+n+1+n+3=+105
We move all terms containing n to the left and all other terms to the right.
+1n+1n+1n=+105-1-3
We simplify left and right side of the equation.
+3n=+101
We divide both sides of the equation by 3 to get n.
n=33.6666666667
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