x-2.4=1/2x+2.4

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x-2.4=1/2x+2.4x-2.4=1/2x+2.4x-2.4=1/2x+2.4x=9.6

x-2.4=1/2x+2.4
x-2.4=1/2x+2.4

x-2.4=1/2x+2.4
x=9.6

x-2.4=1/2x+2.4 2.4^2 x 10 x 7 x 10^-1 = 5x-x=2.4 1.5x-x=1 6.6x-6x=1.8 2x-2/3x=3/4 解方程 解方程3x=x+4,2.6x-8=2.4x,4x+12=10x+3 ,7x=12-×,2.5x=2x+4,5x+3=6x+1,详列计算, 1.6x=4(x+1)2.4(3+2x)-5x=18检验: 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, 问几道解方程x/6-x=(x-3)/6x-1=1/2x+1/4x+1/8x+1/16x+1/32x77/x=2.5*77/x+2.4要注明是哪一题 x/x平方-x+2=2x/x+1 (X+1)X(X+2)X(X+3)=504 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 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 几道方程题不要只写x=多少的.7.8x-2.4x=10.88x+2x=31.42(x+1)=6(x+3.5)-2=4.9x-0.38x=1.24一定要写好过程,例如:x+3x=254(1+3)x=2544x=2544x/4=254/4x=63.4 1.196x^2-1=0 2.4x^2+12x+9=813.x^2-7x-1=0 4.2x^2+3x=35.x^2-2x+1=25 X-6=2X-9几道解方程X-6=2X-9X=6X-3=X-1X=1.6X-0.875=0.125-2.4XX= 1.8x-x=2.4x=? 2.5x8—2.4x=10.4 0.8x(x+0.8)=0.8 3x(x+2)=4x(x+1)解方2.5x8—2.4x=10.40.8x(x+0.8)=0.83x(x+2)=4x(x+1)解方成要过成全能答几个算几个,全答采纳.速度 解方程(1)1/4x-1/12x=1/3 (2)x+1/2-x-1/3=1 (3)2x+1/3-(x-5)=2/3 (4)x+4/5-x+2/10=x-2/2(5)2.4-x-4/2.5=3/5x (6)x-2/3-x-1/2=x+1