• Matéria: Matemática
  • Autor: guilhermesantop85sni
  • Perguntado 7 anos atrás


 \frac{x}{5}  +  \frac{1}{}  =  \frac{2x}{3}
Ajudemm​

Respostas

respondido por: GeBEfte
0

\frac{x}{5}~+~1~=~\frac{2x}{3}\\\\\\\frac{1~.~x~+~5~.~1}{5}~=~\frac{2x}{3}\\\\\\\frac{x+5}{5}~=~\frac{2x}{3}\\\\\\Multiplicando~Cruzado\\\\\\5~.~(2x)~=~3~.~(x+5)\\\\\\10x~=~3x~+~15\\\\\\10x~-~3x~=~15\\\\\\7x~=~15\\\\\\\boxed{x~=~\frac{15}{7}}

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