joyce123 joyce123

24-11-2015
Mathematics

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32 and an unknown number subtracted from 435 is 179 what is the value of the unknown nnumber

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perfectium perfectium

24-11-2015

Instead of saying an unknown number, use x.

So 435-32+x=179
/subtract 435 from both sides/
-32+x=-256
/add 32 to both sides/
x= -224

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