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If +=xx, - =+, xx=÷, ÷=-, then which...

If `+=xx,
- =+,
xx=÷,
÷=-`,
then which is the correct equation out of the following?
(A) `18+6-4xx2+3=114`
(B)`18+6+4-2 div 3=22`
(C )`18-6xx7+2+8=63`
(D)`18xx6-4+7xx8=50`

A

1. D

B

2. C

C

3. A

D

4. B

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