trenycejackson01 trenycejackson01
  • 02-11-2018
  • Mathematics
contestada

If ef= 2x-7, fg= 3x-9, and eg= 19, find the values of x, ef, and fg

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-11-2018

ef+fg =eg

2x-7 +3x-9 =19

5x-16=19

add 16 to each side

5x =35

x=7

ef = 2x-7

ef =2*7-7

ef =7

fg =3x-9

   = 3*7 -9

   = 21 -9

   = 12

Answer: x=7

      ef =7

fg =12

Answer Link

Otras preguntas

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all
What do you mean by corrosion? How can you prevent it?
a person who studies word origins and meanings would most likely be a
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
distribute (x+1)(x-2)
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
distribute (x+1)(x-2)
2(n-3)=4n+1 this sucks not knowing the answer
A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee
A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts