Anonym Anonym
  • 30-03-2015
  • Mathematics
Answered




What value of z makes the statement true?



–(z + (–17)) = 12 + 17









A.

–46








B.

–12








C.

12








D.

46



Answer :

iGreen
iGreen iGreen
  • 30-03-2015
-(z + (-17)) = 12 + 17

-(z - 17) = 12 + 17

Distribute -1:

-z + 17 = 12 + 17

Subtract 17 to both sides:

-z = 12

Multiply -1 to both sides:

z = -12
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