1.2(x+3.2)=24

1.2(x+3.2)=24 0.5x+1.2-4x+6.5x=4.8 (12-2x)+(3.2x-4.8)=24 (2x+5)‐(20‐3x)=175 25-2(30‐20x)=16 3.2x-1.8x=24 1.2x-24=x怎样解? 3.2x+2.2x=10.8 7x-3x=24 x+6.2x=14.4 x-0.84x=21.6 急 3X+24=5X-12 3.2X-14.5=3.5-X 1.2x+0.3x=24 8x-3x=21.05列方程怎么做 1.2x+0.3x=24 8x-3x=21.05列方程怎么做 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 4x-x=24 1.5x-x=1 3.2x-1=63 6.6x-5x=8 6x?一2x?=24 2.8x?+1.26x?一2x?=24 2.8x?+1.2x?=3.6 是多少 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 1.2X-1=X+3 2.X+[2-1/2(X-4)]=2X+3 3.2X+3(2X-1)=16-(X+1) 4.X-3/2-4X+1/5=1 x-9/6-x+2/3=x-1 x/5-1.5=-1.2x+5 3(5-1.2x)+1.4=x-9/6-x+2/3=x-1x/5-1.5=-1.2x+53(5-1.2x)+1.4=-2(0.3x-1)1-x=-2(3x-2)-12/3x-3/2=1/4x-3/4(6x-5)+[2x-(4x-1)]=-24 先化简再求值; 解方程组 x(x-y)-y(x+y)+2xy 其中x=2 ,y=-22.x[x-x(x-1)],其中x=-2解方程组4x+3y=12x-y=32.y+1=2x 4x-y=2 3.2x+2y=0 2x-y+24=0 x平方=(24-x)(12-x) X(X+1)(X+2)=24 x²+x-1=0 2.3x²+6x-1=0 3.2x²-5x-4=0 4.3x²-9x+2=0 5.3x²+9=12 6.x²-8x=84 7.x²-2x-399=0 8.﹣3x²+22x-24=0 9.2x²-6=x-3 10.3x²+10x+5=0