1-0.5x/0.3-2/3x=0.3x/0.2x+1
2个回答
1-0.5x/0.3-2/3x=0.3x/0.2x+1
原方程为:1-5/3x-2/3x=3/2+1
解之:1-7/3x=5/2
7/3x=1-5/2
x=-3/2x3/7
x=-9/14
相关问题
2x-1-x/3=x+2/4-3 1/5(2x-1/3-4)=1 x-0.1/0.3-1.2=x+0.2/0.5 5x+
(1)(1-X)² -5=0 (2)(X-3)² -2x(x-3)=0
1.(x+2)²-5=0 2.2x²-x-3=0 3.x²-6x-5=0 4.(x+3)&
1/2x+3=1/3x+2 0.5x-0.7=6.5+0/2x 1-7/3x=2/3x+19 0.4x-1/4=8-1/
3x+0.5/0.2-1=2x-1/3
X1 - X3 - X4 -5X5=0 X1+2X2+3X3+3X4+7X5=0 X1+X2+X3+X4+X5=0 X2
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
1.x^2-3x-18=0 2.x^2+3x-5=0 3.x^2-4x-7=0 4.3^2-6x-9=0 5.3x^2-
3x1.8-0.6X=5.1 0.5(3+X)=6.2 X÷0.5-10+2=0
填入方程的变形依据(0.3x+0.5)/0.2=(2x-1)/3(3x+5)/2= (2x-1)/3 ( )3(3x+5