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2 votes

2^(4x + 14) = {64}^(x + 2)
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User Sontek
by
7.9k points

2 Answers

4 votes

Answer:

x = 1

Explanation:


{2}^(4x + 14) = {64}^(x + 2)

➡️
{2}^(4x + 14) = ( {2}^(6) {)}^(x + 2)

➡️
{2}^(4x + 14) = {2}^(6x + 12)

➡️
4x + 14 = 6x + 12

➡️
14 - 12 = 6x - 4x

➡️
2x = 2

➡️
x = 1

User Roman Solodyashkin
by
8.4k points
2 votes


\\ \rm\longmapsto 2^(4x+4)=64^(x+2)


\\ \rm\longmapsto 2^(4x+4)=(2^6)^(x+2)


\\ \rm\longmapsto 2^(4x+4)=2^(6(x+2))


\\ \rm\longmapsto 4x+4=6(x+2)


\\ \rm\longmapsto 4x+4=6x+12


\\ \rm\longmapsto 4-12=6x-4x


\\ \rm\longmapsto -8=2x


\\ \rm\longmapsto x=(-8)/(2)


\\ \rm\longmapsto x=-4

User Jeffmayeur
by
7.5k points

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