Question

3x 7 ½ > x + 2 rápido galera e pra hoje
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Answer 1

$\sf 3x7\dfrac{1}{2}>x+2\\\\\\3x\dfrac{15}{2}>x+2\\\\\\{Subtraia\:}x{\:de\:ambos\:os\:lados}\\\\\\3x\dfrac{15}{2}-x>x+2-x\\\\\\\dfrac{43}{2}x>2\\\\\\{Multiplique\:ambos\:os\:lados\:por\:}2\\\\\\2\cdot \dfrac{43}{2}x>2\cdot \:2\\\\\\{Simplifique}\\\\\\43x>4\\\\\\{Divida\:ambos\:os\:lados\:por\:}43\\\\\\\dfrac{43x}{43}>\dfrac{4}{43}\\\\\\\to\boxed{\sf x>\frac{4}{43}}$