Suhana said multiplying my number by 5 and adding 8 to it gives the answer as subtracting my number from 20 find suhana's number.
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Thought that we take suhana no.as x then
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Lets take Suhana's number as y;
Then ;
5y+ 8 = y - 20 ;
5y -y = -20 -8
4y = -28
y = -28/4
Therefore y = -7 ; But if Suhana takes a POSITIVE NUMBER then answer will be = y = 7
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