Question

if x+y=10 x-y=8 find x,y​

Answer 1

Answer:

The answer to your question is

Step-by-step explanation:

x = 9 and y = 1

Answer 2

• x + y = 10 ----①
• x - y = 8 ------②

①-②

x + y = 10 ----①

x - y = 8 ------②

______________

2y = 2

2y = 2

y = 2/2 = 1

y = 1

substitute y = 1 in equation ①

x + y = 10

x + 1 = 10

x = 10 -1

= 9

x = 9

• x + y = 10 ----①
• that is 9 + 1 = 10

• x - y = 8 ------②
• 9 - 1 = 8