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Question
In natural numbers, 4x + 5 = –7 has ______ solution.
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Solution
In natural numbers, 4x + 5 = –7 has no solution.
Explanation:
Solve the equation for x,
4x + 5 = –7
⇒ 4x = –7 – 5 ...[Transposing 5 to RHS]
⇒ 4x = –12
⇒ x = –3 ...[Dividing both sides by 3]
Since, the value of x is not natural number, hence the equation has no solution in natural numbers.
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