dagmawimengistu3 dagmawimengistu3
  • 12-06-2022
  • Mathematics
contestada

find x log(7)x=log(3)(x+4)

Respuesta :

glittercanon12
glittercanon12 glittercanon12
  • 12-06-2022
Exact Form:
x
=
−
log
(
81
)
log
(
3
)
−
7
x
=
-
log
(
81
)
log
(
3
)
-
7
Decimal Form:
x
=
0.29258324
…
Answer Link
loneguy
loneguy loneguy
  • 12-06-2022

[tex]~~~~~~~x\log (7) = (x+4) \log (3)\\\\\\\implies x \log(7) = x\log (3)+4 \log(3)\\\\\\\implies x \log(7) - x \log(3) = 4 \log(3)\\\\\\\implies x ( \log 7 - \log 3) = 4\log 3\\\\\\\implies x = \dfrac{4\log 3}{\log 7 - \log 3} \\\\\\\implies x \approx5.19[/tex]

Answer Link

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