Answer:
D. -3 < x < 2
Step-by-step explanation:
Equation: -8 < 3x + 1 < 7
First subtract the one with -8 and 7: (-8 - 1) < 3x + (1 - 1) < (7 - 1) = -9 < 3x < 6
Divide 3x with -9 and 6 : (-9)/3 < (3x / 3) < (6 / 3) = -3 < x <2
The final product is -3 < x <2
