exam Maths Puzzle Numerical Ability

solve and graph the followin:

x-1>-5
2x<6
x-7>-4
4<-4x
-3x+4<-x+2
-2(x-4)>5-(x+2)

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exam Other Question

.5x + 2y = 9
4x - 15y = 2
3y+6>0