3^3+4х=1,5•2^3+4х помогите срочно плизззз. Created by Katya0678. algebra-ru

3^3+4х=1,5•2^3+4х помогите срочно плизззз...

Katya0678 @Katya0678

July 2022 1 12 Report

3^3+4х=1,5•2^3+4х помогите срочно плизззз

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Regent1828

Verified answer

$\displaystyle 3^{3+4x}=1,5*2^{3+4x} \\ \\ 27*3^{4x} = 12*2^{4x} \\ \\ \frac{3^{4x}}{2^{4x}}= \frac{12}{27} \\ \\ 1,5^{4x}= (\frac{2}{3})^{2} \\ \\ 1,5^{4x}=1,5^{-2} \\ \\ 4x = -2 \\ \\ x=-0,5$

Ответ: {-0,5}

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