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4 votes
Please help me I tried to do it

Please help me I tried to do it-example-1
User Taffarel
by
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1 Answer

3 votes
you do 9x27=243 then take 2x31=62 add 243+62=305 then take 305 and subtract it from 28 305-28=277
so if i did it right you should get n=277
User FPstudent
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