versachiii
versachiii
09-05-2018
Mathematics
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4^(3x+7)= 1/16 how do i find x ??
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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
09-05-2018
Hope that helped;)!!!
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