x + (x-y)+y+(y-x) equals to ____________
Answers
Answered by
4
Answer:
= x+ x - y + y +y -x
= x + y
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Answered by
2
Answer : x+y
steps: x+(x-y)+y+(y-x)
= x+x-y+y+y-x
= x-x+y-y+x+y
= x+y
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