Question

1.9<4х+3<17
2.{2(x+6)-5x>=0
x/6-x/2<=1
3.{×/3-1/5 {x/4-1/3>x/6-3/4

Answer 1

1)
9<4х+3<17
9<4х<17-3
9<4х<14
9х<14÷4
9х<3.5
х<3.5÷9
х<0.875