Cristina lleva su carro al mecanico del barrio cada 15 días ,Y Alberto ,cada 18 días. Si un día ambos coinciden ,¿Después de cuantos días volverán a coincidir?

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a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years