jeannexblair jeannexblair
  • 19-05-2019
  • Mathematics
contestada

3/4n-18=1/4n-4 can someone answer this please ​

Respuesta :

rye095 rye095
  • 19-05-2019

Answer:

n = 28

Step-by-step explanation:

3/4n - 18 = 1/4n - 4 (eliminate fractions by multiplying each value by 4)

(3/4n * 4) - (18 * 4) = (1/4n * 4) - (4 * 4)

3n - 72 = 1n - 16 (move values with variable to same side)

3n - 1n - 72 = 1n - 1n -16

2n - 72 = -16 (move numeric values to same side)

2n - 72 + 72 = -16 + 72

2n = 56  (isolate n by dividing out the 2)

2n/2 = 56/2

n = 28

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