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Oxana [17]
2 years ago
13

PLEEEASE HELPPPPPPP!! substitution

Mathematics
2 answers:
Luba_88 [7]2 years ago
5 0
I got the same answer as the person before
worty [1.4K]2 years ago
4 0

Answer:

X=80

Y=9

Z=7

Step-by-step explanation:

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