As you can see we have taken 50 as a common in this equation but in second line we have - Maths - Pair of Linear Equations in Two Variables

Question

As you can see we have taken 50 as a common in this equation but in
second line we have left 50 and written the rest of the question
which is in the bracket as the final equation why we have left 50?

Manbar Singh · Accepted Answer

As you can see we have taken 50 as a common in this equation but in second line we have left 50 and written the rest of the question which is in the bracket as the final equation .why we have left 50?