180+6x=1.5(5x+30)

(6x+180)/(5x+30)=1.5 (6x+180)/(5x+30)=1.5 180+6x=1.5(5x+30) 解方程(6*x+180)/(5*x+30)=1.5 6X+1.5X=30 X除5=98 X-4/3X=5/3 6X+1.5X=30 X除5=98 X-4/3X=5/3 绝对采纳第一个. 解方程:x/4=30% 36/x=3/4 10/x=2.5/0.8 x/4=1.2/5 X/1.2=1.5/0.6 x/0.4=1.5/6 x/7=0.6/3.5 x/10=0.1/25-3x=8x+1 2(x-2)+2=x+1 3-x=2-5(x-1) 3x=5(32-x) 7(4-x)=9(x-4) 7x-8=2x+27 5x-18=3-2x (7x-4)+3(x-2)=2x+6 2(3x-4)+(4-x)=4x我是六年级的学生,我希望 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 2x+3x+4x+5x+x+6x+7x=100 30/x=30/(x-1.5)-x 5x+6x(1.5x)=44.8解方程 15%x+30%x+5%x=6/5 (x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5) x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? 已知3x*x-x=1,求6x*x*x+7x*x-5x+2000 (X-5)(X-6)=X-5 3x+5x-6x=?