10-(7-5x)等于2x+(5-3x)
9个回答
10-(7-5x)等于2x+(5-3x)
10-7+5x=2x+5-3x
5x-2x+3x=5+7-10
6x=2
x=1/3
相关问题
3(7.7-2X)=5(10.5-4x)
5/x-2-10/x+3-3/2x-5+3大于等于0
3x+5=2x.2/3x+1=-2.7x-6=5x+10.
10x+7等于12x-5
21-x/2+x/3-2x/5=x x+2/3+x=10-2x/7 9-3x-2/5=7-3x/6
(x-(x/7.5+x/5))/(x/5)=10/3
8x-6=3-x -7x+4=2x-5 10x-6=7x+12 1-5/2x=2x+10
解方程2+2x/1X3+2x/3X5+2x/5X7+2x/7X9=10
x+2/5x=3/10 2x+x/3=5/27 x/2+3/7x=13/28
解方程.7x-9=5x5(x-8)=3x 7x-5x5=2x7X12-10x=18x3(6x-7)=15x+12