3.6x-5.2=7

3.6x-5.2=7 x+3.2x=4.8 16+7x=45 5.2x-x=32.4 求x 7x-3.6=2.5x+2.7 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. 7.6-7x-x=3.6 四道方程：2x+6=5x 6x-28=2x 8(x-3.6)=0.8x 15x-110+7x=110 4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2）除2=71 x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, 5x+7=42 x÷4.2=2 3.6x-x=3.25 2（x-5x+7=42 x÷4.2=2 3.6x-x=3.25 2（x-3）=5.8.解方程 4.5+x=6.2 x-3.8=6.6 4x=1 5x+7=42 2(x-5)=5.8 3.6x-x=5.8 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 1.m(x-y-z)+n(y+z-x)=(x-y-z)*?2.x^2-(a+1)x+a+?3.6x^2+7x+2=? 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 如果3x*x-x=1那么9x*x*x*x+12x*x*x-3x*x-7x+2001等于多少 5x+7=42 x/4.2=2 3.6x-x=3.25 2（x-3)=58 0.25x+3.6=x解x 3.6x*(2.1-x)=4.8x