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Liono4ka [1.6K]
3 years ago
5

Simplify 3 (2x+4y-2z)+7 (x+y-4z)

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0
6x+12y-6z+7x7y-28z= 13x+19y-34z
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Need help plz?????????!!!!!!
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93°

Step-by-step explanation:

By exterior angle theorem:

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