algebra · worked example

Solve 2x + 3 = 7

Method: linear isolation. Verified step-by-step solution with our free AI math solver.
Problem

2x+3=72x + 3 = 7

Step-by-step solution

  1. Subtract 33 from both sides to isolate the xx term: 2x=73=42x = 7 - 3 = 4.

  2. Divide both sides by 22: x=42x = \frac{4}{2}.

  3. Simplify: x=2x = 2.

Answer

x=2x = 2

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