Question

x+y=23 x-y=11.solve the following questions
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Answer 1

Answer:

Not only must we be good, but we must also be good for something.” – Henry David Thoreau.

sorry I really don't knoww this answer

Answer 2

x+y=23

x-y=11

add them

x+y+x-y=23+11

2x=34

x=17

y=6