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Mathematics 12 Online
iosangel:

2^4x=8^3x-10

iosangel:

I got -10.209

Rylee88:

Can you explain how.

iosangel:

|dw:1638922629576:dw|

iosangel:

I think i either did something wrong or used a wrong log rule

Vocaloid:

is the -10 part of the exponent or not?

amya2006:

yeah it is

surjithayer:

\[2^{4x}=8^{3x-10}\] \[2^{4x}=(2^{3})^{3x-10}\] \[2^{4x}=2^{3(3x-10)}\] \[2^{4x}=2^{9x-30}\] 4x=9x-30 9x-4x=30 5x=30 x=30/5=6 x=6

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