x÷1.5=15×0.4

x÷1.5=15×0.4 3（3x-2）=10-0.5(x+3.5) 0.4(x-0.2)+1.5=0.7x-0.38 (0.6x+420)÷(x+20)=3 35(2-x)+15(6-5x)=22x+7+21(4-3x) x+0.3=1.8 x-1.5=4 5x=1.5 x÷1.1=3 3+x=5.4 x-6x+0.3=1.8 x-1.5=4 5x=1.5x÷1.1=33+x=5.4 x-6=7.60.2x=6 x÷5=15 (1.4-x)÷x=12÷2 x÷15+0.4=x÷12-0.1 0.4(x-0.2)+15=1.7x-0.38方程0.4(x-0.2)+1.5=1.7x-0.38 0.4(x-0.2)+1.5=0.7x-0.38 （0.6x+420）÷（x+20）=3 x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6=7.60.2x=6x÷5=15 x+0.3=1.8x-1.5=45x=1.5x÷1.1=33+x=5.4x-6=7.60.2x=6x÷5=15 解方程怎么验算?如：x+0.3=1.8 3+x=5.4 x-1.5=4 x-6=7.6 5x=1.5 0.2x=6 x÷1.1=3 x÷5=15 x+x=x+15 130%x+x=4.6 x÷50%=10 x/9-x/15=16% x+ x+(x*50%)=1.5X? x÷50-x÷65=1.5 x是什么 (x-25)×0.4+25=x÷2求x x÷5+6=0.4x 2.5×8-8x=4 0.4 ×(x-1.5)=1.6 (4.7-3.5) ÷X=0.4 x÷24-6.35=2.15 0.8 ×1.5- 0.4×(x-1.2)= 1.6x2.5×8-8x=4 0.4 ×(x-1.5)=1.6 (4.7-3.5) ÷X=0.4 x÷24-6.35=2.150.8 ×1.5- 0.4×(x-1.2)= 1.6x x+15=1.5x+x怎么算 x÷(x+15+3x)=20%