coreenTizana
coreenTizana coreenTizana
  • 12-11-2015
  • Mathematics
contestada

Simplify this expression: 19 - ( - 8) - ( - 14) = ?
A. 41
B. 7
C. 3
D. 25

Respuesta :

W0lf93
W0lf93 W0lf93
  • 13-05-2017
So we wan't to simplify the eprression 19 - ( - 8) - ( -14). To do that we need to understand what to do with the minus signs. A few rules apply: - (+1)= -1(+1)= -1, - ( -1)= -1(-1)=+1 so minus times plus gives minus and minus times minus gives plus. And a minus sign in front of the bracket is like multiplying the bracket with minus 1. Now to simplify: 19+ (-1)(-1 *8)+(-1)(-1*14)=19+8+14=41.
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