Question
The solution of the equation 3(x – 4) = 30 is x = 6.

Answer

The solution of the equation
3(x – 4) = 30 is x = 6. (False)
Correct :
3(x – 4) = 30
⇒ x – 4 = 10
⇒ x = 10 + 4 = 14
x ≠ 6

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