raven441
raven441 raven441
  • 24-08-2021
  • Mathematics
contestada

Solve for x: 1/3(21-3x)=1/2(8-4x)

Respuesta :

Tasyha
Tasyha Tasyha
  • 24-08-2021

Answer:

x = -3

Step-by-step explanation:

[tex] \frac{1}{3} -(21 - 3x) = \frac{1}{2} (8 - 4x)[/tex]

[tex]21 - 3x = 3(4 - 2x)[/tex]

[tex]21 - 3 x = 12 - 6x[/tex]

[tex] - 3x + 6x = 12 - 21[/tex]

[tex]3x = - 9[/tex]

[tex]x = - 3[/tex]

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