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1 vote
3w-4z=8
2w+3z+-6
can anyone help me please

User NikkiA
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1 Answer

6 votes

Replace all occurrences of + − with a single −. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because 1.− 1 = −1

3w- 4z= 8, 2w+3z -6

User Nikagra
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