Respostas

  • Usuário do Brainly
2013-10-17T01:23:50-03:00
X + 7 - 5 = 48
x = 48 + 5 - 7
x = 53 - 7
x = 46

195x + 7 = 95x - 93
195x - 95x = - 93 - 7
100x = - 100
x = - 100/100
x = - 1
1 5 1
2013-10-17T01:25:52-03:00
X + 2 = 48
x = 48 - 2
x = 46


195x - 95x = - 93 - 7
100x = - 100
x = - 100 : 100
x = - 1
2 4 2