Question

Elimination method x-y=5; 3x+2y=25

Answer 1

Answer:

x - y = 5

x = 5 + y

substitute,

3 * 5 + y + 2 y = 25

15 + 3 y = 25

3y = 25 - 15

= 10

so y =

10/3

x - 10/3 = 5

x = 5 + 10 / 3

( lcm = 3)

= 25/3