Question

Solve the following continued inequalities. Write your answers with interval notation.
−210<70x−70<210

Answer 1

−210<70x−70<210
divide by 70
−3 < x−1 < 3
add 1
−2 < x < 4

Answer 2

- 210 < 70 x - 70 < 210

Divide all sides by 70

- 3 < x - 1 < 3

Add1 to all sides

- 2 < x < 4

( - 2 , 4 )