woodiebang1994 woodiebang1994
  • 22-08-2017
  • Mathematics
contestada

AW+WC=AC
3x+2x+11=8x-4
6x+11=8x-4

Respuesta :

qumpelka
qumpelka qumpelka
  • 22-08-2017
AW+WC=AC

example:

20+01 = 21
30+08 = 38    
50+02 = 52






3x+2x+11=8x-4
3x+2x-8x = -4 -11
-3x = -15
x = 5    




6x+11=8x-4
6x -8x = -4 -11
-2x = -15

-x = - 7,5
x = 7,5
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