Sir please help me to solve the ncert class 9th solution of chapter linear equations in two variables .How I solve this question of exercise 4.3 question number 8(5). Find the simplest and easiest solution of this question. This is very important question of this chapter please help me to solve this. In countries like USA and Canada, temperature is measured in Fahrenheit, whereas in countries like India, it is measured in Celsius. Here is a linear equation that converts Fahrenheit to Celsius:(v) Is there a temperature which is numerically the same in both Fahrenheit and Celsius? If yes, find it.
(v) When F = C,
C = (9/5)C+32
C – (9/5)C = 32
(5-9)C/5 =32
(-4/5)C = 32
(-4/5)C = (-32×5)/4
= – 40oC
Hence, -40o is the temperature which is numerically the same in both Fahrenheit and Celsius.