Solve: $3 (3 x + 1) - (x - 1) = 6 (x + 10)$ .

x = 24

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x = 6

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x = 27

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x = 28

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Solution

The correct option is D $x = 28$
Given,
$3 (3 x + 1) - (x - 1) = 6 (x + 10)$
$⟹$ $9 x + 3 - x + 1 = 6 x + 60$ ....[By Distribution Law]
$⟹$ $8 x + 4 = 6 x + 60$ .

Transposing $x$ term to one side, we get,
$⟹$ $8 x - 6 x = 60 - 4$
$⟹$ $2 x = 56$
$⟹$ $x = 28$ .

Hence, option $D$ is correct.

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