Pre-AlgebraChallenge SharePre-Algebra · Challenge problemSimplify 12(4x−6)−23(9x+3)+5\dfrac{1}{2}(4x - 6) - \dfrac{2}{3}(9x + 3) + 521(4x−6)−32(9x+3)+5.Check Show answer Walk through it step by step Practice more like this