berenice32bo berenice32bo

26-02-2020
Mathematics

contestada

Solve 7n + 4 < 9n – 3.
a) n < -3.5

B) n < 3.5

C) n > -3.5

D) n > 3.5

Respuesta :

igoroleshko156 igoroleshko156

26-02-2020

Answer:

Option D, n > 3.5

Step-by-step explanation:

Step 1: Solve for n

7n + 4 + 3 - 7n < 9n – 3 + 3 - 7n

7 / 2 < 2n / 2

3.5 < n

n > 3.5

Answer: Option D, n > 3.5

Answer Link

jojodaweirdo15 jojodaweirdo15

26-02-2020

Than you would subtract 7n off both sides and get. 4<2n-3.
Next you would add 3 to each sides and get. 7<2n. Last you divide 2 on both side cause whatever you do to one side you do to the other. And you left with 3.53.5

Answer Link

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