Question

The value of x in 2x - 1 = 7 is
3​

Answer 1

Answer:

Required Solution :-

$2(3) - 1 = 7$

$=6 -1 -7$

$=6-8$

$=-2$

Answer 2

Answer:

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Step-by-step explanation:

The value of x in 2x - 1 = 7 is

3

2x-1, 7 and 3x are in an AP.

It means 3x-7 = 7-(2x-1), or

3x-7 = 7–2x+1, or

3x+2x = 7+7+1, or

5x = 15, or

x = 3.

So x = 3