(1)4(2x-1)-3(5x+2)=3(2-x)(2)2x-3/5x=3/2x-1/2-2/5x+2(3)y-(y-1)/2=2-(y+3)/5(4)(x-2)/5-(x+3)/10=(2x-5)/3=3(5)[2(x+1)+1]/3-[2-3(x+1)]/4=x(6)30%(2x-1)+20%(x+5)=250×25%请写出计算过程(至少3步),求100%全对,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 13:43:53
![(1)4(2x-1)-3(5x+2)=3(2-x)(2)2x-3/5x=3/2x-1/2-2/5x+2(3)y-(y-1)/2=2-(y+3)/5(4)(x-2)/5-(x+3)/10=(2x-5)/3=3(5)[2(x+1)+1]/3-[2-3(x+1)]/4=x(6)30%(2x-1)+20%(x+5)=250×25%请写出计算过程(至少3步),求100%全对,](/uploads/image/z/767155-67-5.jpg?t=%281%294%282x-1%29-3%285x%2B2%29%3D3%282-x%29%282%292x-3%2F5x%3D3%2F2x-1%2F2-2%2F5x%2B2%283%29y-%28y-1%29%2F2%3D2-%28y%2B3%29%2F5%284%29%28x-2%29%2F5-%28x%2B3%29%2F10%3D%282x-5%29%2F3%3D3%285%29%5B2%28x%2B1%29%2B1%5D%2F3-%5B2-3%28x%2B1%29%5D%2F4%3Dx%286%2930%25%282x-1%29%2B20%25%28x%2B5%29%3D250%C3%9725%25%E8%AF%B7%E5%86%99%E5%87%BA%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%EF%BC%88%E8%87%B3%E5%B0%913%E6%AD%A5%EF%BC%89%2C%E6%B1%82100%25%E5%85%A8%E5%AF%B9%2C)
(1)4(2x-1)-3(5x+2)=3(2-x)(2)2x-3/5x=3/2x-1/2-2/5x+2(3)y-(y-1)/2=2-(y+3)/5(4)(x-2)/5-(x+3)/10=(2x-5)/3=3(5)[2(x+1)+1]/3-[2-3(x+1)]/4=x(6)30%(2x-1)+20%(x+5)=250×25%请写出计算过程(至少3步),求100%全对,
(1)4(2x-1)-3(5x+2)=3(2-x)
(2)2x-3/5x=3/2x-1/2-2/5x+2
(3)y-(y-1)/2=2-(y+3)/5
(4)(x-2)/5-(x+3)/10=(2x-5)/3=3
(5)[2(x+1)+1]/3-[2-3(x+1)]/4=x
(6)30%(2x-1)+20%(x+5)=250×25%
请写出计算过程(至少3步),求100%全对,
(1)4(2x-1)-3(5x+2)=3(2-x)(2)2x-3/5x=3/2x-1/2-2/5x+2(3)y-(y-1)/2=2-(y+3)/5(4)(x-2)/5-(x+3)/10=(2x-5)/3=3(5)[2(x+1)+1]/3-[2-3(x+1)]/4=x(6)30%(2x-1)+20%(x+5)=250×25%请写出计算过程(至少3步),求100%全对,
(1)8x-4-15x-6=6-3x
-4x=16
x=-4
(2)1.4x=1.5x-0.5-0.4x+2
0.3x=1.5
x=5
(3)y-0.5y+0.5=2-0.2y-0.6
0.7y=0.9
y=9/7
(4)有问题
(5)4[2(x+1)+1]-3[2-3(x+1)]=12x
8x+8+4-6+9x+9=12x
5x=-15
x=-3
(6)3(2x-1)+2(x+5)=25×25
6x-3+2x+10=625
8x=618
x=77.25
(1)4(2x-1)-3(5x+2)=3(2-x)
解:8x-4-15x-6=6-3x
-4x=16
x=-4
百度不是万能的,自己算吧,很简单的!!!!!!!!!!答案可以告诉你,步骤太多了,应该没人爱写的。
(1)8x-4-15x-6=6-3x
8x-15x+3x=4+6+6
x=-4