Solution set of the inequality: x - 5 > 4x + 7 is
Solution
Correct Answer: Option A
x - 5 > 4x + 7
⇒ - 5 > 4x - x + 7
⇒ - 5 > 3x + 7
⇒ - 5 - 7 > 3x
⇒ - 12 > 3x
⇒ - 12/3 > 3x/3
⇒ - 4 > x
⇒ x < - 4
∴ নির্ণেয় সমাধান সেট: (- ∞, - 4)
⇒ - 5 > 4x - x + 7
⇒ - 5 > 3x + 7
⇒ - 5 - 7 > 3x
⇒ - 12 > 3x
⇒ - 12/3 > 3x/3
⇒ - 4 > x
⇒ x < - 4
∴ নির্ণেয় সমাধান সেট: (- ∞, - 4)
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