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प्रश्न
If 2x + 3 = 5, then value of 3x + 2 is ______.
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उत्तर
If 2x + 3 = 5, then value of 3x + 2 is 5.
Explanation:
Solve the given equation for x,
2x + 3 = 5
⇒ 2x = 5 – 3 ...[Transposing 3 to RHS]
⇒ `(2x)/2 = 2/2` ...[Dividing both sides by 2]
⇒ x = 1
Put the value of x in (3x + 2), we get
3(1) + 2 = 3 + 2 = 5
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