X-6=276/7-6/7X X=?
1个回答
同时乘以7
7x-42=276-6x
7x+6x=276+42
13x=318
解得,x=318/13
相关问题
7(6x+1)-6(7-x)=7
解方程(x^2+7x+6)^2+7(x^2+7x+6)+6=x
(6x+7)(6x+7)(3x+4)(x+1)-6
x²-x-6=0 x²+x-6=0 x²+7x+6=0 x²-7x+6=0 x&
(-5)x(-3又6/7)+(-7)x(-3又6/7)-12x3又6/7
{6X+7y}+{6x+7y}+{6x+7y}2次方 等于
把方程5x-6y=7变形可得y=[5x−7/6][5x−7/6],x=[6y+7/5][6y+7/5].
有例子x²+6x-7|| ||x × 7=7x\ =6xx × -1=-x/(x-1)(
(X+5)/(X+4) +(X+8)/(X+7 )=(X+7)/(X+6 )+(X+6)/(X+5 )
7.8x-x-6.6=7怎么解