Respostas

  • Usuário do Brainly
2014-08-10T22:24:03-03:00
 \frac{3a+6}{8} = \frac{2a+10}{6}

 \frac{3(3a+6)}{24} = \frac{4(2a+10)}{24}

9a+18=8a+40

9a-8a=40-18
a=22

S={22}
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