Pertanyaan

Jika x memenuhi persamaan 8 2 x − 3 = 1 6 3 x , maka nilai dari 2x...

Jika x memenuhi persamaan $8^{2 x - 3} = 1 6^{3 x}$ , maka nilai dari 2x...

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$begin mathsize 14px style space space space space 8 to the power of 2 x minus 3 end exponent equals 16 to the power of 3 x end exponent open parentheses 2 cubed close parentheses to the power of 2 x minus 3 end exponent equals open parentheses 2 to the power of 4 close parentheses to the power of 3 x end exponent space space space space 2 to the power of 6 x minus 9 end exponent equals 2 to the power of 12 x end exponent karena space bilangan space pokoknya space sudah space sama space yaitu space 2 comma space maka space diperoleh space space space space 6 straight x minus 9 equals 12 straight x 6 straight x minus 12 straight x equals 9 space space space space space space minus 6 straight x equals 9 space space space space space fraction numerator negative 6 straight x over denominator negative 3 straight x end fraction equals fraction numerator 9 over denominator negative 3 straight x end fraction space space space space space space space space space 2 straight x equals negative 3 end style$