Answers

  • pau
  • Helping Hand
2014-01-09T20:41:07+08:00
[2(y+5)-5]+9=5(y-1)
[2y+10-5]+9=5y-5
2y+5+9=5y-5
14+5=5y-2y
19=3y
19/3=y
1 5 1