1+x/3大于等于5-(x+10/2)去分母得6+2x大于等于30-3(x+10)——————————————————————————去分母的过程是怎么弄到的,变成6+2x大于等于30-3(x+10)
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1+x/3大于等于5-(x+10/2)去分母得6+2x大于等于30-3(x+10)——————————————————————————去分母的过程是怎么弄到的,变成6+2x大于等于30-3(x+10)
1+x/3大于等于5-(x+10/2)
去分母得
6+2x大于等于30-3(x+10)
——————————————————————————
去分母的过程是怎么弄到的,变成6+2x大于等于30-3(x+10)
1+x/3大于等于5-(x+10/2)去分母得6+2x大于等于30-3(x+10)——————————————————————————去分母的过程是怎么弄到的,变成6+2x大于等于30-3(x+10)
两边同时乘6
不等号方向不变
1+x/3≥ 5-(x+10)/2
x/3≥ 5-(x+10/2)-1 (不等式2边减去1)
x≥15-3(x+10)/2-3 (不等式2边乘上3)
2x≥30-3x-30-6 (不等式2边乘以2)
2x+3x≥-6 (不等式2边加上3x)
5x≥-6
x>-6/5 (不等式2边除以5)
2x≥30-3x-30-6 (不等式2边乘以2)
2x+3x≥-6 (不等式2边加上3x)
5x≥-6
x>-6/5 (不等式2边除以
=3
[2X+1]/3大于等于[X+5]/2 ,X大于等于7,为常数,急.
3x+1大于等于2x-5 10-3x大于等于-5 谢谢解题急用
2X-5大于等于3X
解不等式组:2X+7大于等于1-X [1] 6-3(1-X)大于5X [2]
1+x/3大于等于5-(x+10/2)去分母得6+2x大于等于30-3(x+10)——————————————————————————去分母的过程是怎么弄到的,变成6+2x大于等于30-3(x+10)
|x+1|-|x-1|大于等于2分之3怎样去绝对值,一定要讲清楚啊,
设x大于等于1,求证x^3大于等于x^2-x-1
3/2x-1-6/10x+1大于或等于4/5x-5
(2x-1)/3-(10x+1)/6大于等于5/4x-5
3x-7/5大于等于x-2/2,x/4-2x-1/12大于1/6-x/3
3x小于4x,5x-4大于等于2+7x 4x-5大于2x+1,5x-9大于x-1 9x+4小于等于6x+1,2x-8小于x-7
解不等式5-3x大于等于0、 -4x大于等于0 解不等式5-3x大于等于0、 -4x大于等于0 、3x分之2大于等于0 、 2x+5大于等于0 急
解不等式(组)3(x+1)小于5x,1/3x-1小于等于7-5/3x-1/4大于1,3+(x-1)大于等于3x,0小于等于2-x小于3,
/2x-3/大于等于5
X+2分之5大于等于1,
绝对值1-2x大于等于-3
集合M={x|1大于等于X大于等于3},N={x|2 大于等于X大于等于4},M∩N=( ).
解不等式 X平方(X-1)分之(X-3)(10-X)大于等于0