278,584 views
43 votes
43 votes
How can you system of linear equation to model and solve contextual problems

How can you system of linear equation to model and solve contextual problems-example-1
User Elchin
by
3.1k points

1 Answer

14 votes
14 votes

5x + 2y = 57 These are the equations

x + y = 18

5x + 2y = 57

-5x - 5y = -90 This is the procedure to find x and y

-3y = -33

y = -33/-3

y = 11

x + 11 = 18

x = 18 - 11

x = 7

The numbers are 7 and 11

User Jamesdillonharvey
by
3.1k points