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Agata [3.3K]
2 years ago
11

Help please -19 + 2z = -21

Mathematics
1 answer:
777dan777 [17]2 years ago
6 0

Answer:

z = -1

Step-by-step explanation:

You must first start out by adding 19 to both sides to isolate the variable z, which results in:

2z = -2

Now, you can just divide by two on both sides to get z completely on its own, which gives you:

z = -1

Hope this helped somewhat! :D

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