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OpenStudy (anonymous):
30-2(7+2)-1=?
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OpenStudy (mrnood):
first work out th e bracket: what is (7+2)?
OpenStudy (anonymous):
9
OpenStudy (anonymous):
it looks simple but my answer doesnt match
OpenStudy (mrnood):
ok so now you have the bracket you can write the question as 30- 2(9) -1 so what is 2(9) (it means 2 times 9)
OpenStudy (anonymous):
i know
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OpenStudy (anonymous):
18
OpenStudy (mrnood):
so what is 30-18-1
OpenStudy (anonymous):
11
OpenStudy (mrnood):
If you have written the question correctly then that is the correct answer
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