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Give answers to both questions

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

Could someone me with this question i’ve been stuck on it for 20 minutes

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?