SOLUTION: how do i answer this question? pls help me...i have done the first bit but im not sure about the questions....it says: start with the number 1 double the number, add 5,double resul

Question 6279: how do i answer this question? pls help me...i have done the first bit but im not sure about the questions....it says: start with the number 1 double the number, add 5,double result, subratct 10, divide by 4...then it says use algebra notation to write instructions as an expression involoving the letter n. thnx heaps

Answer by IA(6) (Show Source): You can put this solution on YOUR website!
{[2(2n+5)]-10}/4 multiply out brackets
= (4n+10-10)/4 simplify
=4n/4 simplify
=n
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