fmearn2003 fmearn2003
  • 25-04-2017
  • Mathematics
contestada

i need thsi fast i will give 10
The value from the set {10, 11, 12, 13} that makes the equation 2(x − 5) = 12 true is.

Respuesta :

irspow
irspow irspow
  • 25-04-2017
2(x-5)=12 divide both sides by 2

x-5=6  add 5 to both sides

x=11
Answer Link
Аноним Аноним
  • 25-04-2017
2x-2*5=12
2x-10=12

2*10-10=
20-10=10

2*11-10=
22-10=11

2*12-10=
24-10=14

2*13-10=
26-10=16
Answer Link

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Help please, thank you. I suck at math :(