2(x-7.5)=1.5x
2(x-7.5)=1.5x
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
(1)6+2(x-3)=X (2)8-2(x-7)=x-(x-4) (3)2x-(1.5x-1)=2(1.5x-1)
x+17=3(x+13),2x-11.2=0.6x,2.5x-2.17=21.9-5.8x,8(x-1.5)=x+0.6
f(x)=x²+3x|x-2|
f(x)=-x^2+2x(x>0) 0(x=0) x^2-2x(x
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
(x)-2x·x-x-2x+1=0求x的值,
4a+3a-2a=?2b-b+0.5b=?10x-(7x+x)=?6x-1.5x=?8x+4x-8x=?7.5x-x+2
4×2.6-5x=8.4 17.28-4x=5.6x 2(4x-3.5)=11 4.3x-x+1.5x=9.6 4到解方