Question

equation for a number devided by 7 and then increased by 9 is - 1​

Answer 1

Let, The number be x .

Then , According to the given Situation the equation will be :-

$\frac{x}{7} + 9 = - 1$

After Multiplying Both sides by 7 we get ,

$7x + 63 = - 7$

$7x = - 7 - 63$

$7x = - 70$

$x = \frac{ - 70}{7}$

$x = - 10$

Therefore , The required number is-10.

Answer 2

Answer:

Let the number be = x

Now According to question

(X÷7) + 9 = -1

x + 9 = -1 X 7

x+ 9 = -7

x= -7 + 9

x = 2