解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]

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解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]

解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]
解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]

解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]
2x+7>=1-x
2x+x>=1-7
3x>=-6
x>=-2
6-3(1-x)>5x
6-3+3x>5x
3+3x>5x
3>5x-3x
2x

x小于等于-2(1)x小于2分之3(2)