Pre-AlgebraHard SharePre-Algebra · Hard problemCombine like terms: 6x−9−8x+4+x6x - 9 - 8x + 4 + x6x−9−8x+4+x.A−x+5-x + 5−x+5B−x−10-x - 10−x−10C−x−6-x - 6−x−6D−x−5-x - 5−x−5Check Show answer Walk through it step by step Practice more like this