Simply:6(x+2)+3(x-9)
6(x+2) = 6x + 123(x-9) = 3x - 276x + 12 + 3x - 27 = 9x - 15The answer is 9x - 15
6(x + 2) + 3(x - 9)6(x + 2) = 6 x = 6x , 6 2 = 12 6x + 123(x - 9)= 3 x = 3x , 3 -9 = -273x - 276x + 12 + 3x - 27=6x + 3x = 9x12 - 27 = -15Answer: 9x - 15