Question

Verify that (x - y)
= x
-y-' by taking x=-2/7,y=4/7​

Answer 1

Step-by-step explanation:

$given [\tex]</p><p> [tex] (x-y) = x$

$x=-2/div7 and y=4/div7$

$let x=1$

$so$

$-2/div7-4/div7 =1$

-2 -4 /7 =1

-6/7=1

-6=-7

-6+7=0

1=0

where 1=x we suppose

x-y=x proved