Question

10. If 53 - 4= 25

then find the value of (2x-7).

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Answer 1

Answer:

x = 7/2

Step-by-step explanation:

x = 7/2

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Answer 2

ANSWER: Given 35x−4=52x

⇒35x−52x=4  [Transpose 52x to LHS and −4 to RHS]

⇒1525x−6x=4 [Takling LCM in LHS]

⇒19x=60

⇒1919x=1960  [Dividing both sides by 19]

⇒x=1960

Now, 2x−7=2∗1960−7 [Putting the value of x]

⇒19120−133=−1913 [Taking LCM]

Hence, the numerical value of 2x−7 is −1913.

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