Question

find x and y using equation x+y=-7 and x+y=2​

Answer 1

Answer:

x+y=7

4+3

x+y=2

0.9+1.1

Answer 2

Answer:

Step-by-step explanation:

sir your question is wrong

it should be x+y=-7

&

x-y=2

then,

x=-7-y,

then

-7-y-y=2

-7-2y=2

-2y=9

y=-4.5

x=-11.5