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प्रश्न
Solve for x in the following in-equation, if the replacement set is R;
2x - 7 ≥ 5x + 8
उत्तर
2x - 7 ≥ 5x + 8
2x - 7 ≥ 5x + 8
2x - 5x ≥ 8 + 7
-3x ≥ 15
3x ≤ -15
x ≤ -5
Since, replacement set is R
Solution set= {x : x ∈ R and x ≤ -5}
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