Question

Resolva a inequação :
3.4×≤72-6.4×

Answer 1

$3 \times {4}^{x}≤72-6 \times {4}^{x} \\ {4}^{x}(3+6)≤72 \\ {2}^{2x}≤{2}^{3}\\2x≤3 \\ \boxed{x≤ \frac{3}{2}}$

Answer 2

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