what is the sum of 15h -0.5 and -3h +2k+23
so 15h - 0.5 - 3h + 2k + 23Add common terms 12h -0.5 + 2k + 23 (I added 15h and -3h)12h + 22.5 + 2k ( I added 23 and -0.5)the answer should be 12h + 22.5 + 2k