woodiebang1994 woodiebang1994

22-08-2017
Mathematics

contestada

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

Respuesta :

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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