5x-(10-2x)*2=7(解方程,

解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7) 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 5x(x+7)(x+4)=5x(x^2+11X)解方程, 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 解方程:2X-X=5X-7 解方程3X(X-5)=10-2X 解方程 x（2x-5）=4x-10 x+5x+7=3x+11 解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7) 解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6 解分式方程：(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6) 解分式方程: (x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6) 解分式方程(5-2x)/(x^2-x-12)=5x/(x^2+x-6)+(10-7x)/(x^2-6x+8)得 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7) 解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 解方程x²+x-6分之5x+x²-x-12分之2x-5=x²-6x+8分之7x-10 解方程.（5x/x²+x-6）+（2x-5/x²-x-12）=7x-10/x²-6x+8 5x-(10-2x)*2=7(解方程,