evanberisford evanberisford

28-09-2021
Mathematics

contestada

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

Respuesta :

30-09-2021

Answer:

x = 30

Step-by-step explanation:

3/5x + 1/3x = 28

15(3/5x + 1/3x) = 15 × 28

15 × 3/5x + 15 × 1/3x = 420

3 × 3x + 5x = 420

9x + 5x = 420

14x = 420

x = 30

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