jackson1167
jackson1167 jackson1167
  • 30-06-2020
  • Mathematics
contestada

4x + 3 over 5 = 8x - 1 over 9

4x 3 over 5 8x 1 over 9 class=

Respuesta :

TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 30-06-2020

Answer:

x=8

Solution,

[tex] \frac{4x + 3}{5} = \frac{8x - 1}{9} \\ or \: 9(4x + 3) = 5(8x - 1) \\ or \: 36x + 27 = 40x - 5 \\ or \: 36x - 40x = - 5 - 27 \\ or \: - 4x = - 32 \\ or \: x = \frac{ - 32}{ - 4} \\ x = 8[/tex]

hope this helps...

Good luck on your assignment..

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 30-06-2020

Answer:

x=8

Step-by-step explanation:

(4x+3)/ 5   = (8x-1)/9

We can use cross products to solve

(4x+3) * 9 = 5(8x-1)

Distribute

36x+27 = 40x -5

Subtract 36x

27 = 40x-36x -5

27 = 4x-5

Add 5 to each side

32 = 4x

Divide by 4

32/4 = 4x/4

8=x

x=8

Answer Link

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