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Methods of Solving an Equation

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Question

Question 30

Fill in the blanks to make the statement true.

In natural numbers, 4x + 5 = -7 has ............ solution.

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Solution

Solving the equation for x, 4x + 5 = -7
$\Rightarrow 4 x = - 7 - 5 \Rightarrow 4 x = - 12 \Rightarrow x = - 3$
Since, the value of x is not natural number, hence the equation has no solution in natural numbers.

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Methods of Solving an Equation

Standard VII Mathematics

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