adanies
adanies adanies
  • 06-04-2015
  • Mathematics
contestada

1+r/9=0 this is a 2 step equation how do you solve it?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 06-04-2015
so solve for r
try to isolate the placeholder

1+r/9=0
subtract 1 from both sides
r/9=-1
multiply both sides by 9 to clear fraction (because r/9 times 9/1=r/1 times 9/9=r)
r=-9

tada
Answer Link
Panoyin
Panoyin Panoyin
  • 06-04-2015
1 + r = 0
   9      1
1 + r = 0
- 1      - 1
     r = -1
Answer Link

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