Resposta :
Resposta:
Resposta: ×-10/9 + ×/6 = 10. tira o mmc de 9 e 6. 2×-20+3×/10 = 180/18. 2×-20+3×=180. 2×+3×=180+20. 5×=200. x=40.
Resposta:
Resposta: ×-10/9 + ×/6 = 10. tira o mmc de 9 e 6. 2×-20+3×/10 = 180/18. 2×-20+3×=180. 2×+3×=180+20. 5×=200. x=40.