martissmart
martissmart martissmart
  • 18-08-2016
  • Mathematics
contestada

2x+3+x=18 can you guys help the developer solve this

Respuesta :

jakiriyahunter
jakiriyahunter jakiriyahunter
  • 18-08-2016

2x+3+x=18

2x+x= 3x

3x+3=18

18 - 3 = 15

3x = 15

x = 3

Answer Link
dezire1
dezire1 dezire1
  • 18-08-2016
x=5
2x+3+x=18
Combine like terms
3x+3=18
Balance
3x+3=18
-3 -3
3x=15
__ __
3. 3
X= 5
Answer Link

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