1/3-2/7x=6/7-x,x=多少?
5个回答
1/3-2/7x=6/7-x
x-2/7x=6/7-1/3
5/7x=18/21-7/21
5/7x=11/21
x=11/21*7/5
x=11/15
相关问题
x-1/7x=2/3X6/7
2道分式方程1、(x+3)/(x+7)+(x+7)/(x-3)=2===2、(6x-2)/(2x-1)-(6x-3)/(
1/x2-3x+2+1/x2-5x+6+1/x2-7+1/x2-7x+12-4/x2-6x+5 有多少种写多少种解法,
解方程: 3x-1.5x=6 x+3.7=6 7.2+2x=10 x-2.3=10.7 6x-2.8x=32 x/15=
因式分解:(1)x^2-7x+6(2)x^2-5x+6(3)x^2-5x-6(4)x^2-7x+8(5)x^2-7x+1
(1).6(x/3+x-1/2 ) (2).(7-3a)+(5a-6) (3).(x-3)-(5x+7)
4.7x-1.2=1.7x+3.6
①1=-(x-1)/2+(x-2)/6-(x+2)/3 ②2/7×(3x-7)=2-1.5x
(x^5-6x³+7x²-7x+3)÷(x³-2x+1)
(6x+7)(6x+7)(3x+4)(x+1)-6