Respostas

  • Usuário do Brainly
2013-09-24T01:16:08-03:00
2x - 10 = x/2 + 50
2x -x/2= 50 + 10
2x - x/2 = 60
mmc da 2
4x - x = 120
3x = 120
x = 120/3
x = 40
4 5 4