hennedyy
hennedyy
04-10-2016
Mathematics
contestada
4z−(−3z)=
combining like terms
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Аноним
Аноним
04-10-2016
For combining like terms: it is 7z
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queeenkunknown
queeenkunknown
04-10-2016
It'd be 7z because the negatives are same so they change to positives so you just add it.
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