diamond1982 diamond1982
  • 17-08-2016
  • Mathematics
contestada

what is the answer to 1.1x + 1.2x - 5.4 = -10

Respuesta :

Alexandria6799
Alexandria6799 Alexandria6799
  • 17-08-2016
1.1x+1.2x-5.4=-10

11/10x+12/10x-54/10=10

11x/2.5+2^2-1*3/5x-3^3/5=-10

(11x)+2(2*3x)+2(-3^3)/2*5=-10

11x+2(6x)+2(-27)/2*5=-10

11x+2*6x-2*27/2*5=-10

11x+12x-54/2*5=-10

23x-54/2*5=-10

23x-54=-100

23x=-46

23x/23=-46/23

x=-2*23/23

x=-2
Answer Link
FTHeart
FTHeart FTHeart
  • 17-08-2016
PEMDAS 1.1x + 1.2x = 2.3x -10 + 5.4 = -4.6 -4.6/2.3 = -2 Answer = -2
Answer Link

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