Question

atividade de Matemática​

Answer 1

Resposta:

$9x - 4 < 6x + 8 \\ \\ 9x - 6x < 8 + 4 \\ \\ 3x < 12 \\ \\ x < \dfrac{12}{3} \\ \\ \Large \boxed{ \green{x < \bf4}}$

$\dfrac{x}{5} + 2x \geqslant \dfrac{3}{2} \\ \\ \frac{2 \times x + 10 \times 2x \geqslant 5 \times 3}{10} \\ \\ 2x + 20x \geqslant 15 \\ \\ 22x \geqslant 15 \\ \\ \Large \boxed{ \green{x \geqslant \bf \dfrac{15}{22} }} \\ \\ \Large \boxed{ \blue{ \underline{ \bf Bons \: Estudos!}}}$