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erastovalidia [21]

2 years ago

7

Help please really needed

1 answer:

Anarel [89]2 years ago

7 0

Answer:

Either :

1/2 10x+1/2 20y+1/2 10z

or

5x+10y+5z

Step-by-step explanation:

You're just multiplying everything by 1/2

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