Answer:
x<=-2
Step-by-step explanation:
-6<10-4x>=18
subtract 10
-16<-4x>=18
Divide by -4
x<=-2
Hope this helps
-Scorpio
[tex]\\ \sf\longmapsto -6<10-4x\geqslant 18[/tex]
[tex]\\ \sf\longmapsto -6-10>-4x\geqslant 18[/tex]
[tex]\\ \sf\longmapsto -16>-4x\geqslant 18[/tex]
[tex]\\ \sf\longmapsto 4>x\geqslant 18[/tex]