lildez1184 lildez1184
  • 13-02-2020
  • Mathematics
contestada

Solve the following proportions
3/x-3=8/2x+6
X=

Respuesta :

lavanyaande
lavanyaande lavanyaande
  • 17-02-2020

Answer:

21

Step-by-step explanation:

3/(x-3) = 8/(2x+6)

or, 3(2x+6) = 8(x-3)   ( by cross multiplication)

or, 6x + 18 = 8x - 24

or, 8x - 6x = 24 + 18

or, 2x = 42

or, x = 42/2

=21

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