Mathematics
The solution set of 3x + 1 > 5x - 7, where x ∈ R, is :
{x : x < 4, x ∈ R}
{x : x > 4, x ∈ R}
{x : x < 8, x ∈ R}
{x : x > -4, x ∈ R}
Linear Inequations
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Answer
Given,
⇒ 3x + 1 > 5x - 7
⇒ 5x - 3x < 7 + 1
⇒ 2x < 8
⇒ x <
⇒ x < 4
Since, x ∈ R
⇒ Solution set = {x : x < 4, x ∈ R}
Hence, Option 1 is the correct option.
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