(x/1.5)-5=(x/4)
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(x/1.5)-5=(x/4)(x/1.5)-5=(x/4)(x/1.5)-5=(x/4)X/5-5=X/4---->X/5-X/4=5---->-X/20=5------->X=-100
(x/1.5)-5=(x/4)
(x/1.5)-5=(x/4)
(x/1.5)-5=(x/4)
X/5-5=X/4---->X/5-X/4=5---->-X/20=5------->X=-100
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?
提取公因式:已知x*x-5x+1=0 求x*x*x-4x*x-4x-1
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
x^-6x+5=x+4
5*4x+x*x=80
y=|-x.x+4x+5|
28.26x =4/5x- 1.5
(x/1.5)-5=(x/4)
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
5x-x=2.4 1.5x-x=1 6.6x-6x=1.8 2x-2/3x=3/4 解方程
1.5x²-3x=142.3x²-7x-8=03.7x²-4x=04.2x²-5x-8=0
小学六年级下册数学解方程.. 要详细的.. 还要过程 都写下来...2x+3x=60 3.6x-2.8x=12 100x-x=198 18x+2x+60 5x+6x=12.1 6.6x-5x=8 4x-x=24 1.5x-x=1 1.9x+0.4x=9.2
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