x+3.2=12.8

x+3.2=12.8 5.4X+X=12.8求X 5x+x=12.8 X=12.8+0.5X 5.4x+x=12.8 5.4x+x=12.8 如果3.2x=12.8那么5x+1 x+180%x=3.2 x-0.36x=3.2 1.60-40%x=45 2.(1-36%)x=12.8 3.2x+50%x=7.5 解方程 13.2x+9x=33.3 8x-3X=105 5.4x+x=12.8 x-0.13.2x+9x=33.38x-3X=105 5.4x+x=12.8x-0.36x=16 （X+X)+(X-X)+(X*X)+(X/X)=100 2x-3.2=12.8解. x+3.2x=4.8 16+7x=45 5.2x-x=32.4 求x 的值.x +3.5x =9.9;4.25x -x =4.55;10x -2.7x =58.4;6.8x +3.2x =100 5.4x+x=12.8,x等于几,求算式 0.6x+2.8x=12.8+1.8x 5.4x+x=12.8,解方程