Question

If x - 2y = 2 and x + 2y = 2, then the value of x - y
is:
0000
(a) 1
(b) 2
(c)3
(d) 4​

Answer 1

Answer:

4

Step-by-step explanation:

x-2y=2

x-y=2+2

=4

by solving this equation it show that x-y = 4

Answer 2

Answer:

right answer is option 'b'

Step-by-step explanation

x-2y=2------------1& x+2y=2---------2

add 1&2

x-2y+x+2y=2+2

2x=4

x=2

put x=2 in 1

x-2y=2

2-2y=2

y=0

x-y= 2-0=2

value of x-y is 2