Question

If the sum of two rational numbers is 3/7. It one of is the number is +9 .The other number is​

Answer 1

Answer:

-60/7

Step-by-step explanation:

let the number be x

therefore, 9 + x = 3/7

x = 3/7 - 9

x = -60/7

Answer 2

Answer :

›»› The other number of rational number = -60/7

Given :

• The sum of two rational number = 3/7
• One of the number = 9

To Find :

• The other number of rational number = ?

Required Solution :

Here in this Question, we have to find the other number whose sum is 3/7. So, firstly we have to consider the other number as an variable x. Then, we can frame equation to get the result of other number or x.

Let ,

The other number be "x"

So let's start solving the equation and understand the steps to get our final result for other number or x.

Sum of two rational number = 3/7

So ,

$\tt{:\implies 9 + x = \dfrac{3}{7} }$

Organize the expression,

$\tt{:\implies x + 9 = \dfrac{3}{7} }$

Move the constant to right side and change the sign,

$\tt{:\implies x = \dfrac{3}{7} - 9 }$

Take LCM of 7 and 1,

$\tt{:\implies x = \dfrac{3 - 63}{7} }$

Subtract 3 and 63,

$\bf{:\implies x = \dfrac{ - 60}{7} }$

║Hence, the other number of expression is -60/7.║