Question Simplify the expression −2n Evaluate a−n−n−aThe sum of two opposites equals 0 More Steps Evaluate a−aCollect like terms (1−1)aAdd the coefficients 0×aCalculate 0 0−n−nRemove 0 −n−nCollect like terms by calculating the sum or difference of their coefficients (−1−1)nSolution −2n Show Solution