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-4(2x+1)≥-x+1 |:(-4)
2x+1≥4x-4
5≥2x
x≤2½
b) 3(2-x)>4-2x/3
3(2-x)>(4-2x)/3 |*3
9(2-x)>4-2x
18-9x>4-2x
14>7x
x<2