Problem

\( -4<2 a+6<10 \)

Solution

Step 1 ：\( -4 - 6 < 2a < 10 - 6 \)

Step 2 ：\( -10 < 2a < 4 \)

Step 3 ：\( -5 < a < 2 \)

From Solvely APP
Source: https://solvelyapp.com/problems/36448/

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