(x+6)/(40+x)=20%
1个回答
(x+6)/(40+x)=20%=1/5
x+6=5(40+x)
4x=-194
x=-97/2
相关问题
3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =
20/(x-20)=(2x-40)/(x+40)
6X加20等于4X加40
7x^4+20x^3+11x^2+40-6因式分解快
解方程 (1-40%)x-20=(40%x+20)50%
x+20%x=40.
解方程:65%x-40%x=80 x-6%x=282 x+70%x=68 15%x+20=
若-0.8x=1-0.2x,则x=( );若20%x-6=40%x,则x=( )
40%x-30%x=8 100+20%=40
50X=40X+20