解方程4(x+12)=6x-12

1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 5x-(6+1)x=x-12解方程 解方程(6x+12)/(x^2+4x+4) + (x^2-4x+4)/(x^2-4) =(x^2-4)/(x^2-4x+4) 解方程：x-40%x+12=x-1/4 解方程：X(X+4)=8X+12 解方程4(x+12)=6x-12 六年级解方程4x+6=22-12x 解方程,12X-4=6x-2 谢谢! 方程8x-4=12x-6怎么解 解方程：(x+4)(x+6)-(x+1)(x+6)=12 解方程4x^4+12x^3-x^2-15x-6=0 解方程：x-12=[x-(x-12)]/(x-12) 解方程：x(x-4)=(x-2)(x-6) 解方程1/(x+x﹚+1/(x+3x+2﹚+1/(x+5x+6﹚+1/(x+7x+12﹚=4/21得 解方程 式子 6-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+1 2x-1=5x-36-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+12x-1=5x-3 方程2/x+6/x+12/x+```+2008*2009/x=2008 的解x= 解方程:2(x-1)²-(x+3)²=(x-2)(x+6)-12x (x-1)(x-3)(x-4)(x-12)+5x^2=0解方程