versachiii
versachiii versachiii
  • 09-05-2018
  • Mathematics
contestada

4^(3x+7)= 1/16 how do i find x ??

Respuesta :

Аноним Аноним
  • 09-05-2018
[tex]4^{3x+7}= \dfrac{1}{16} [/tex]

[tex]4^{3x+7}= \dfrac{1}{4^2} [/tex]

[tex]4^{3x+7}= 4^{-2}[/tex]

Equate the power and solve x:
3x + 7 = -2
3x = - 9
x = -3

Answer: x = -3
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ruba3
ruba3 ruba3
  • 09-05-2018
Hope that helped;)!!!
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