FetF8arrisadfraroli FetF8arrisadfraroli
  • 29-10-2016
  • Mathematics
contestada

solve for x |x| - 7 = 8

a.x = -1 or 1

b. x=1

c.x--15 or 15

d.x=15

Respuesta :

myriam4 myriam4
  • 29-10-2016
the answer is x = 15 because x - 7= 8
+7= 7
the x come down ,cross the bjectif inverse and than 8+ 7 = 15
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