Respuesta :

Answer: 6

Step-by-step explanation:   [▲x4]+[6x3]=6[4+3

6[4+3=42 so if [6x3]=18 then [▲x4] needs to be 24 (24+18=42) ▲=6 as 6x4=24+18=42 (6[4+3)!

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