Discussion

Explanation:

Equation of a line parallel to ax + by + c = 0 will be ax + by + d = 0

∴ The required line is x + 3y + d = 0

Since this line passes through (2, -3)

⇒ 2 + 3 × -3 + d = 0

⇒ d = 7.

∴ The required line is x + 3y + 7 = 0

Hence, option (b).

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