bexwhite2610
bexwhite2610 bexwhite2610
  • 17-02-2021
  • Mathematics
contestada

Can't get my head around this at all any help would be greatly appreciated.​

Cant get my head around this at all any help would be greatly appreciated class=

Respuesta :

cairde
cairde cairde
  • 17-02-2021

Answer:

The input is -6, hope this helps :D

Step-by-step explanation:

Represent the machines as expressions:

outputA= 7x-6

outputB= 3x+2

Find the input when the outputA is 3*outputB:

outputA=3outputB

(7x-6)=3(3x+2)

7x-6=9x+6

2x=-12

x=-6

Answer Link
ahmedmido1595
ahmedmido1595 ahmedmido1595
  • 17-02-2021

Answer:

[tex]x=-6[/tex]

Step-by-step explanation:

[tex]A=7x-6\\B=3x+2\\For A=3B\\7x-6=3(3x+2)\\7x-6=9x+6\\2x=-12\\x=-6\\[/tex]

Answer Link

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