2.4*(x+0.5)=8.4

2.4x(x+0.5)=8.4 2.4*(x+0.5)=8.4 2+0.5x=x-2.4 x+6x=8.4 2.4x+x=27.2 9x-4.2x=24 x-0.6x=4.8 8.6x-4.6x=10.4 7x+0.3x=3.65解方程要过程详细. 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 20.5x =x-2.还有2+0.5x=x-2.4 1.8x-x=2.4x=？ 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 17x+13=7x+38 1.9+0.75x-0.1=x 13x-3x=72=12x=30 9.4x-120=8.4x=17x-200 15.2x-0.8=7.4x+70.9x-0.5x+0.28=x+0.1 0.5X+120+0.3X=X 4X+0.5X=13.5X x-30-0.2x=0.5x x-0.3x-0.5x=20 9x+0.5x+x= x-x*40%=8.4 8.4x-x= 0.12 x-0.25x=2.4 2.4x-x=2.1