Question Simplify the expression −3b Evaluate a−a−b−b−bWrite the repeated addition as multiplication a−a−b×3Use the commutative property to reorder the terms a−a−3bThe sum of two opposites equals 0 More Steps Evaluate a−aCollect like terms (1−1)aAdd the coefficients 0×aCalculate 0 0−3bSolution −3b Show Solution