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Twice the difference of a number and 3 is equal to three times the
sum of the number and 9  Find the number.

Respuesta :

number - x

[tex]2 |x - 3| = 3(x + 9) \\ 2 |x - 3| = 3x + 27 \\ |x - 3 | = 1.5x + 13.5[/tex]
2 Answer once when it minus and one when it plus
if plus
[tex] x - 3 = 1.5x +13.5 \\ - 0.5x = 16.5 \\ x = - 33[/tex]
if minus
[tex] - (x - 3) = 1.5x + 13.5 \\ - 2.5x = 10.5 \\ x = - 4.2[/tex]
these are the possible numbers

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