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algebra · worked example

Solve 5x - 10 = 15 — x = 5

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Problem

5x−10=155x - 10 = 15

Step-by-step solution

  1. أضف 1010 إلى الطرفين: 5x=15+10=255x = 15 + 10 = 25.

  2. اقسم الطرفين على 55: x=255x = \frac{25}{5}.

  3. بسّط: x=5x = 5.

Answer

x=5x = 5

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