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Question
Solve the following equation.
3x + 12 = 2x − 4
Solution
3x + 12 = 2x − 4
Subtracting 12 from both sides
⇒ 3x + 12 − 12 = 2x − 4 − 12
⇒ 3x = 2x − 16
Subtracting 2x from both sides
⇒ 3x − 2x = 2x − 16 − 2x
⇒ x = −16
Hence, x = −16 is the solution of the equation.
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