Find the equation of line passing through (2,-3) and parallel to x + 3y + 12 = 0
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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