Can you solve this?

Question

Pumpkin + Pumpkin + Pumpkin = 30
Alien + Alien - Pumpkin = 2 Bats
Skull + 2 Bats + Ghost = 18
Pumpkin + Skull + Ghost = 20

Skull + Alien x Bat + Ghost = ?

Answer 1

46

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Pumpkin + Pumpkin + Pumpkin = 30 => Pumpkin= 10
Alien + Alien - Pumpkin = 2 Bats => Alien=Bat + 5
Skull + 2 Bats + Ghost = 18 => Skull + Ghost= 18- 2 Bats
Pumpkin + Skull + Ghost = 20 => Skull + Ghost= 20- Pumpkin=10 => Bat=4 => Alien=9
Skull + Alien x Bat + Ghost = 10+9x4=46