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What is 4z−(−3z) ???
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What is 4z−(−3z) ???

User Fantaghirocco
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Answer:

Step-by-step explanation: Ok so, to simplify the expression, you have 2 know that 2 negatives next to each other is positive, so you add 4z + 3z which gives you 7z.

User Achala Dissanayake
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