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Question
The number which is subtracted from `(-6)/11` to get `8/9` is __________
Options
`34/99`
`(-142)/99`
`142/99`
`(-34)/99`
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Solution
`(-142)/99`
Explanation;
Hint:
Let x be the number to be subtracted
`(-6)/11 - x = 8/9`
`(-6)/11 - 8/9` = x
x = `((-6 xx 9) + (-8 xx 11))/(11 xx 9)`
= `(-54 + (- 88))/99`
= `(- 142)/99`
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