Question

Solve 3/7x +4/7 y=10 and x/7 –y/7=1by elimination method

Answer 1

Step-by-step explanation:

hope this answer will help you to understand

Answer 2

Answer:

x= 14, y= 7

Step-by-step explanation:

3x/7+4y/7=10 and x/7-y/7=1

3x+4y=70 and x-y=7

let 3x+4y=70 ------- (1)

x-y=7---------------(2)

(1)+4(2)---

7x = 98 ----- x= 14

substitute,x=14 in equation (2)

(2)----- 14-y=7

14-7=y ---- y=7

therefore, x=14 y=7