解下列一元一次不等式和不等式组(1)-(x+2/3)>3X/2-1 (2){-y/2<1-y/3}{3y+3大于等于2(2y+1)}
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解下列一元一次不等式和不等式组(1)-(x+2/3)>3X/2-1 (2){-y/2<1-y/3}{3y+3大于等于2(2y+1)}
解下列一元一次不等式和不等式组(1)-(x+2/3)>3X/2-1 (2){-y/2<1-y/3}{3y+3大于等于2(2y+1)}
解下列一元一次不等式和不等式组(1)-(x+2/3)>3X/2-1 (2){-y/2<1-y/3}{3y+3大于等于2(2y+1)}
(1)-(x+2/3)>3X/2-1
-6x-4>9x-6
-15x>-2
x
1)-X-2/3-3x/2+1>0 2)-Y/6<1 3)-y>=-1
-5x/2>-1/3 Y>-6 Y<=1
5x<2/3
X<2/15
(1)-(x+2/3)>3X/2-1
x+2/3 <1-3x/2
x+3x/2<1-2/3
5x/2<1/3
15x<2
x<2/15
(2)-y/2<1-y/3
y/2>y/3-1
y/2-y/3>-1
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(1)-(x+2/3)>3X/2-1
x+2/3 <1-3x/2
x+3x/2<1-2/3
5x/2<1/3
15x<2
x<2/15
(2)-y/2<1-y/3
y/2>y/3-1
y/2-y/3>-1
y/6>-1
y>-6
3y+3≥ 2(2y+1)
3y+3 ≥ 4y +2
3y-4y ≥ 2-3
-y≥ -1
y≤1
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