MCQ
Which of the following equations cannot be formed using the equation $x=7$ ?
  • A
    $2 x+1=15$
  • $7 x-1=50$
  • C
    $x-3=4$
  • D
    $\frac{x}{7}-1=0$

Answer

Correct option: B.
$7 x-1=50$
b

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