Question #47155 Algebra Expressions, Equations, and Functions PEMDAS 1 Answer EZ as pi Nov 3, 2016 #n-1# Explanation: #{n-1-[n-1color(blue)(-(n-1))]}# #={n-1-[n-1color(blue)(-n+1)]}# #={n-1color(red)(-[n-1-n+1]}" "rarr {n-1-0}# #={n-1color(red)(-n+1+n-1)}# #={n-1}# Answer link Related questions What is PEMDAS? How do you use PEMDAS? How do you use order of operations to simplify #3(7-2)-8#? What are common mistakes students make with PEMDAS? How do you evaluate the expression #5[8+(3-1)]-2#? How do you simplify the expression #4(30-(3+1)^2)#? How do you evaluate the expression #x^4+x# if x=2? Is it okay to add first before subtracting in #4-6+3#? How do you simplify #(-3)^2+12*5#? How do you simplify #(4-2)^3-4*8+21div3#? See all questions in PEMDAS Impact of this question 2176 views around the world You can reuse this answer Creative Commons License