• Matéria: Matemática
  • Autor: joaovsduartepdib69
  • Perguntado 7 anos atrás

Alguem me ajuda resolver pfv \frac{12x+3}{4}=\frac{5x-8}{7}

Respostas

respondido por: GeBEfte
0

\frac{12x+3}{4}=\frac{5x-8}{7} \\\\(12x+3).(7)=(5x-8).4\\\\7*12x+7*3=4*5x+4*(-8)\\\\84x + 21 = 20x - 32\\\\84x-20x=-32-21\\\\64x=-53\\\\x = -\frac{53}{64}

Perguntas similares