Question

3x-4y=10=x-3y what is the value of x-y

Answer 1

Answer:

3x-4y = 10 =x - 4y

3x-4y = x -4y = 10

2x = 10

x = 10/2

x = 5

3x - 4y = 10

3(5) - 4y = 10

-4y = 10-15

-4y = -5

y = -5/-4

y = 5/4

x-y

5 - 5/4

20 / 4 - 5 /4

15/4

x - y = 15 / 4