3.2+4x=17.2
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3.2+4x=17.23.2+4x=17.23.2+4x=17.24X=17.2-3.24X=14X=14/4X=7/2X=3.53.2+4x=17.24X=17.2-3.24X=14X=14÷4X=
3.2+4x=17.2
3.2+4x=17.2
3.2+4x=17.2
4X=17.2-3.2
4X=14
X=14/4
X=7/2
X=3.5
3.2+4x=17.2
4X = 17.2 - 3.2
4X = 14
X = 14÷4
X = 3.5
3.2+4x=17.2
0.5x(x+4)-0.4(x+4)=3.2
x+11.2=4x-3.2
3.2x:3=(x+1):4
4x-3.2x=6.
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2)除2=71
解方程:1.x/x+1-1=3/(x+1)(x-2) 2.3/x+2+1/x=4/x²+2x 3.2/3+x/3x-1=1/9x-3
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
0.5x(x+4)-0.4(x+4)=3.2 x是多少
求未知数x.9X-3.2X=8.12 15分之4:X=1.36:17
(1)5x-4x=1 (2)4x-7x=2 (3)4.2x-3.2x=36 (4)4/3x-x=(1)5x-4x=1(2)4x-7x=2(3)4.2x-3.2x=36 (4)4/3x-x=3/1
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
4x-x=24 1.5x-x=1 3.2x-1=63 6.6x-5x=8
当x=﹣3.2时,求x^2-4x+4÷x^2-4÷x-2÷x^2+2x+3的值
请问0.3/0.5=x+1/2x-1 x/5-x/6 3(x+2)=4(x+1)3.2/x=0.5 这些题咋做
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
3.2+x=4.6 x-2.08=5.76 1.2x=0.84 3x+0.5x=4.2 4x-2.16=1.2 x-0.2x=16 2x-4*2.5=3.6 x除以5.4=0.26
1.2X-1=X+3 2.X+[2-1/2(X-4)]=2X+3 3.2X+3(2X-1)=16-(X+1) 4.X-3/2-4X+1/5=1