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Marta_Voda [28]
3 years ago
15

Solve for zzz. 42=-7(z-3)

Mathematics
2 answers:
Gekata [30.6K]3 years ago
6 0

Step-by-step explanation:

42=-7z+21

7z=21-42

7z=-21

z=21/7

z=3

katen-ka-za [31]3 years ago
4 0

Answer:

z=-3

Step-by-step explanation:

42 = -7z+21

-7z=21

z=-3

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Worth of Mike's car at the start of 2014 = $12,000

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This means that the car depreciated by 30% (0.3) for 3 years since 2014 (2017 - 2014 = 3 yrs)

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