skylerlee123unionsd
skylerlee123unionsd skylerlee123unionsd
  • 02-11-2020
  • Mathematics
contestada

x/3-5/4= -31/12

what is x if you get this right I will give you brainly
and double points

Respuesta :

arodri04
arodri04 arodri04
  • 02-11-2020

Answer:

x = -4

Step-by-step explanation:

[tex]\frac{x}{3}[/tex] - [tex]\frac{5}{4}[/tex] = [tex]\frac{-31}{12}[/tex]

add 5/4 to both side

[tex]\frac{x}{3}[/tex] = [tex]\frac{-31}{12}[/tex] + [tex]\frac{5}{4}[/tex]

use common denominator 12 to add fraction

[tex]\frac{x}{3}[/tex] = [tex]\frac{-31 + 5*3}{12}[/tex]

[tex]\frac{x}{3}[/tex] = [tex]\frac{-31 + 15}{12}[/tex]

[tex]\frac{x}{3}[/tex] = [tex]\frac{-16}{12}[/tex]

multiply by 3 to both sides and solve

x = -4

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