Question

解不等式组2x+4≤5(x+2) x-1≤2/3*x

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Answer 1

2x+4<=5(x+2)
2x+4<=5x+10
5x-2x>=4-10
3x>=-6
x>=-2

x-1<=2/3*x
3x-3<=2x
3x-2x<=3
x<=3

-2<=x<=3