Jawapan

  • Yaqi
  • Tangan Bantuan
2016-10-03T20:51:37+08:00
5-1/2x<7
-1/2x<7-5
-1/2x<2
x<2+1/2
x<2.5
tak tau betul atau salah: )
2016-10-03T20:57:11+08:00
5-1 < 2x(7)
4    < 14x
4/14 < x
2/7   < x