algebra · worked example

Solve 3x + 9 = 0

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

3x+9=03x + 9 = 0

Step-by-step solution

  1. Subtract 99 from both sides: 3x=−93x = -9.

  2. Divide both sides by 33: x=−3x = -3.

Answer

x=−3x = -3

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