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algebra · worked example

Solve 3x + 2 = x + 8 — x = 3

Method: 線性移項求解（兩邊都有變數）. Verified step-by-step solution with our free AI math solver.

Problem

$3x + 2 = x + 8$

Step-by-step solution

兩邊同減 $x$ ： $2x + 2 = 8$ 。
減去 $2$ ： $2x = 6$ 。
除以 $2$ ： $x = 3$ 。

Answer

$x = 3$

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