Question

When Dua opens a book there are two pages in front of her.
The sum of the page numbers is 155. If one page number is
50, what is the other page number?​

Answer 1

Answer:

sum of page number is 155

one page number is 50

another page is

155-50=105

Answer 2

Answer:

The other page number is 105.

Step-by-step explanation:

Given,

sum of two pages = 155

one page number is 50

to find: the other page number

solution:

let the other page number be x

sum of them = 155

x + 50 = 155

x = 155 - 50

x = 105

Hence, the other page number is 105.

This is a question of linear equation.

Linear equation: A linear equation only has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.