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
