the doble of the sum of a number an five unites is equal at 3 times a number find the number

Respuestas

Respuesta dada por: msanpedrojorgep9vtr3
1

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Let:

Number = X

2(x + 5) = 3x \\ 2x + 10 = 6x \\10 = 6x - 2x \\  4x = 10 \\ x = 2.5

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