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प्रश्न
Which of the following equations cannot be formed using the equation x = 7?
विकल्प
2x + 1 = 15
7x – 1 = 50
x – 3 = 4
`x/7` – 1 = 0
उत्तर
7x – 1 = 50
Explanation:
Consider the equation 7x – 1 = 50.
Transpose –1 to right-hand side then it becomes 1.
7x = 50 + 1
7x = 51
x = `51/7`
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