2x+3<9-x,x-4<3(x-2),2x-5>10-3x.
1个回答
x1
x>3 x
相关问题
(3)x-3/2=1 (3)3(3x-3)<2(2x-5)9x-9<4x-109x-4x<-10+95x<-1x<-5分
解方程 (1)4x-2=3-x (2)2-7x=2x-4 (3)10x-3=9 (4)5.8x-3.7x=4.2 (5)
(1)5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
3y-1/2=1/3 x-8=2x+7 2x=5x-1 9-10x=9x-10 4/5x=5x-21
解方程2X-1.8=X+2.4 3X-2(10-X)=15 (2X+3)*2=5X-4 18/4X-3=9 (4-X)*
(x-10)^2=3 (x+5)^2=8 (x-1)^2=25 4(x+3)^2=9
21-x/2+x/3-2x/5=x x+2/3+x=10-2x/7 9-3x-2/5=7-3x/6
x^2/9-16/x^2=(10/3)*(x/3-4/x)
解方程:X+2/7X=3/4,X-1/5X=3/10,2X+7X=9/10
x^4-2x^3-3x^2=()() x^2y^2-10xy+9 (x+y)^2-10(x+y)+9