ellaferrari956 ellaferrari956

17-09-2020
Mathematics

contestada

3 < 2x + 1 < 9
How do I solve this?

Respuesta :

chadenelson04 chadenelson04

17-09-2020

Answer:

(1,4) or 1 < x < 4

Step-by-step explanation:

3 = less than 2x + 1 and 2x + 1 is less than 9

we can split the two parts of the equation

3< 2x + 1 and 2x + 1 < 9

for 3< 2x + 1 x has to be greater than 1

for 2x+ 1 < 9 x has to be less than 4 so the answer is (1,4) or 1 < x < 4

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