algebra

what it 7y-5y-y? can uu just give me the answer plz

Answers
Suppose instead of y's you have 7 chocolate biscuits. Your little brother takes away 5 of them. Then he comes back and takes away another one. How many do you have left?
ianmoth
29 January 2012
1?
sylva123
30 January 2012
That's right. So 7y-5y-y = y
ianmoth
30 January 2012
thank you very much you are the best
sylva123
31 January 2012
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