0.5（4x-2)=3.6

3.2+x=4.6 x-2.08=5.76 1.2x=0.84 3x+0.5x=4.2 4x-2.16=1.2 x-0.2x=16 2x-4*2.5=3.6 x除以5.4=0.26 3x+0.5x=4.2 4x-2.16=1.2 x-0.2x=16 2x-4x[这个x是乘】2.5=3.6 3x+5x=168 怎么解 8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2 5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,解方程,5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,0.8x-0.2+1.2x=1.8,2.4x+0.6+1.6=8 先化简再求值先化简再求值：（x-x/x+1）(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5 (x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x 2(3-x)=9 求x 4(x+0.5)+x=17求x (X-4)(x-2)-2(X-1)(X+3)其中X=-0.5 12x-2/21x=快点9点之前还有7x-x+2/3x-3(4x-0.5)-2x+(3x-1)-(x+5) 7.8x-2.4x=1.08 4(x+0.5x)=28 3.6x+4.5x=56.7 7.8x-2.4x=1.084(x+0.5x)=283.6x+4.5x=56.7 4-x=2(-0.5x²+2.5x-2) (4^x/16)^-0.5=32^-2x ,求x 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X 解下列方程: 1.2（x+3）＝5x 2.4x+3（2x-3）=(x+4) 3.6（1/2x-4解下列方程:1.2（x+3）＝5x 2.4x+3（2x-3）=(x+4)3.6（1/2x-4）+2x=7-(1/3x-1)4.2-3（x+1）=1-2（1+0.5x） x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 1)7.6X-3.6X(6X-5)=4,求X 2)5X-2X(X-4)=11,求X 求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13 求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13