-2X+2>8X-5 12-3X>0 100除4X-2
5个回答
-2X+2>8X-5
7>10X
X<7/10
12-3X>0
3X<12
X<4
100/(4X-2)
相关问题
3/4+(1/2-x)=7/8 3/4除5/8=5/12除x
解方程:x-0.1x=0.634.4x=5.6=5.6=10=2.4x 2x除8+3x除6=6 8.8-5(x-0.2)
(1)x2-8x+12=0(2)3x(x-1)=2-2x(3)x2-12x-4=0(配方法解) (4)5x2-
1)4x2-12x-1=0 (2)3x2+2x-3=0 (3)5x2-4x-12=0 (4)3x(x+2)=5(x+2)
4X-24=2X+20 2X(X-0.7)=4.8 0.6X+3X2.5=67.5 (X-7)除以3=8 5X-1.5X
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
解方程求x 2(3x+15)-2x=76 12x+2=2.8×5+8x 2x+x除以2=22.5 3x+4.5=7x-1
(1)0.05x=0.35(2)100x=910(3)x除7.2=0(4)0.01x=3.26(5)x除600=0.06
2x+1/6-4x-1/8=1 x-1/0.5-x+2/0.3=2 3/4[3/4(12x+1/4)-8]=3/2x+1