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algebra · worked example

Solve 2x - 5 = 9 — x = 7

Method: 線性移項求解. Verified step-by-step solution with our free AI math solver.

Problem

$2x - 5 = 9$

Step-by-step solution

兩邊同加 $5$ ： $2x = 14$ 。
兩邊同除以 $2$ ： $x = 7$ 。

Answer

$x = 7$

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