Answer:
25x<25x
Explanation:
i think its that
1 ≤ x
20 + 5x 5(1 + 4x)
20+ 5x ≤ 5 + 20x
-5x -5x
20 ≤ 5 + 15x
-5 -5
15 ≤ 15x
÷15 ÷15
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