Answer:
hope it helps. good day .in case of any question please ask.
<h3>Given :-</h3>
- Pranav ran 20.3 km more than Branda

To find :
- No. of kilometers did Brenda run.

<h3>Let :</h3>
- No. of kilometers ran by Brenda be x.

<h3>Solution:</h3>

Equation formed:-

Total distance covered by Pravan = More distance covered by Pravan + distance covered by Brenda.
Therefore:-


Write the equation


When we transfer 20.3 to left side the positive sign (+) will change into negative sign (–)


Arrange the equation because x is always represented at left side.


After subtracting 38.6 with 20.3 we will get result as 18.3 .


Factor dem groups
find greatest common factor
24=2*2*2*3
40=2*2*2*5
common is 2*2*2=8
answer is 8 groups
Answer: y=3x+12
explanation: just add the 3x to the 12