Seudónimo Seudónimo
  • 02-08-2020
  • Mathematics
contestada

The value of 3x+2 is 9 plus twice the value of x+5. What is x?

Respuesta :

valerieulbrich
valerieulbrich valerieulbrich
  • 02-08-2020

Answer:

17

Step-by-step explanation:

3x+2 = 9 + 2(x+5)

3x + 2 = 9 + 2x + 10

3x + 2 = 2x + 19

x = 17

Answer Link
gmany
gmany gmany
  • 02-08-2020

Answer:

[tex]\huge\boxed{x=17}[/tex]

Step-by-step explanation:

[tex]3x+2=9+2(x+5)\qquad\text{use the distributive property}\\3x+2=9+(2)(x)+(2)(5)\\3x+2=9+2x+10\\3x+2=2x+19\qquad\text{subtract 2 from both sides}\\3x+2-2=2x+19-2\\3x=2x+17\qquad\text{subtract}\ 2x\ \text{from both sides}\\3x-2x=2x-2x+17\\x=17[/tex]

Answer Link

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