Answer:
Explanation:
First, add 7 to all parts of the inequality to isolate x.
-10+7 < 3x-7+7 ≤ 5+7
-3 < 3x ≤ 12
Then divide all sides by 3.
-1 < x ≤ 4
So x is greater than -1 but less than or equal to 4.
This can be written as (-1, 4] in interval notation.