algebra · worked example

Solve 2x + 3 = 7 — x = 2

Method: 一次方程式移項. Verified step-by-step solution with our free AI math solver.
Problem

2x+3=72x + 3 = 7

Step-by-step solution

  1. 等式兩邊同減 33 以分離 xx 項:2x=73=42x = 7 - 3 = 4

  2. 等式兩邊同除以 22x=42x = \frac{4}{2}

  3. 化簡:x=2x = 2

Answer

x=2x = 2

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