Pick out the solution from the values given in the brackets against each equation:
$2 x - 1 = 5$
$(6, 4, 3)$

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Solution

The equation, $2 x - 1 = 5$
When,
$x = 6, L H S : 2 \times (6) - 1 = 12 - 1 = 11 R H S : 5 L H S \neq R H S$
When ,
$x = 4, L H S : 2 \times (4) - 1 = 8 - 1 = 7 R H S : 5 L H S \neq R H S$
When,
$x = 3, L H S : 2 \times (3) - 1 = 6 - 1 = 5 R H S : 5 L H S = R H S$
Hence , $x = 3$ satisfies the equation.

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