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kvasek [131]
3 years ago
8

Is the equation 3+z=-19 true false or open

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
4 0

Subtract 3 from both sides to get

3+z=-19

3+z-3=-19-3

z = -22

So it's true when z = -22.

kirill [66]3 years ago
3 0
It would be an open answer
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