evanberisford evanberisford
  • 28-09-2021
  • Mathematics
contestada

3/5x + 1/3x=28 solve 4 x

Respuesta :

faithvalerius faithvalerius
  • 29-09-2021

Answer:

x=30

Step-by-step explanation:

Multiply both sides by 15

9x+5x=420

14x=420

divide both sides by 14

x=30

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