Question 30
Fill in the blanks to make the statement true.
In natural numbers, 4x + 5 = -7 has ............ solution.
Solving the equation for x, 4x + 5 = -7
⇒4x=−7−5⇒4x=−12⇒x=−3
Since, the value of x is not natural number, hence the equation has no solution in natural numbers.