早教吧作业答案频道 -->数学-->
(1)10y+7=22y-5-3y(2)3.5x-5=0.5x+10-2x(3)7x-2(4-x)=x-5(x-1)(4)3/2y+6=-1/2y-4(5)1/3x-2=3/4x+3(6)(2x-1)+x+2/2=1(7)1-3x+5/4=-x+3/5(8)5x+1/4-2x-1/6=1-3-x/12(9)3(x-7)-2[9-4(2-x)](10)3/4[4/3(1/2x-1/4)-8=3/2x(11)2/3[5(2x-3/5)-5/4]=x(12)x-1/3[x-1/3(x-9)]=1/4(
题目详情
(1)10y+7=22y-5-3y
(2)3.5x-5=0.5x+10-2x
(3)7x-2(4-x)=x-5(x-1)
(4)3/2y+6=-1/2y-4
(5)1/3x-2=3/4x+3
(6)(2x-1)+x+2/2=1
(7)1-3x+5/4=-x+3/5
(8)5x+1/4-2x-1/6=1-3-x/12
(9)3(x-7)-2[9-4(2-x)]
(10)3/4[4/3(1/2x-1/4)-8=3/2x
(11)2/3[5(2x-3/5)-5/4]=x
(12)x-1/3[x-1/3(x-9)]=1/4(x-9)
(13)x+3/0.2-0.4x-1/0.5=-2.5
(14)0.1x-0.2/0.02-x+1/0.5=3
(15)0.1x/0.03-0.9-0.2x/0.7=1
(16)2x+3=5-7x
(2)3.5x-5=0.5x+10-2x
(3)7x-2(4-x)=x-5(x-1)
(4)3/2y+6=-1/2y-4
(5)1/3x-2=3/4x+3
(6)(2x-1)+x+2/2=1
(7)1-3x+5/4=-x+3/5
(8)5x+1/4-2x-1/6=1-3-x/12
(9)3(x-7)-2[9-4(2-x)]
(10)3/4[4/3(1/2x-1/4)-8=3/2x
(11)2/3[5(2x-3/5)-5/4]=x
(12)x-1/3[x-1/3(x-9)]=1/4(x-9)
(13)x+3/0.2-0.4x-1/0.5=-2.5
(14)0.1x-0.2/0.02-x+1/0.5=3
(15)0.1x/0.03-0.9-0.2x/0.7=1
(16)2x+3=5-7x
▼优质解答
答案和解析
(1)10y+7=22y-5-3y y=4/3
(2)3.5x-5=0.5x+10-2x x=3
(3)7x-2(4-x)=x-5(x-1) x=1
(4)3/2y+6=-1/2y-4 y=-5
(5)1/3x-2=3/4x+3 x=-12
(6)(2x-1)+x+2/2=1
(7)1-3x+5/4=-x+3/5
(8)5x+1/4-2x-1/6=1-3-x/12
(9)3(x-7)-2[9-4(2-x)]
(10)3/4[4/3(1/2x-1/4)-8=3/2x
(11)2/3[5(2x-3/5)-5/4]=x
(12)x-1/3[x-1/3(x-9)]=1/4(x-9)
(13)x+3/0.2-0.4x-1/0.5=-2.5
(14)0.1x-0.2/0.02-x+1/0.5=3
(15)0.1x/0.03-0.9-0.2x/0.7=1
(2)3.5x-5=0.5x+10-2x x=3
(3)7x-2(4-x)=x-5(x-1) x=1
(4)3/2y+6=-1/2y-4 y=-5
(5)1/3x-2=3/4x+3 x=-12
(6)(2x-1)+x+2/2=1
(7)1-3x+5/4=-x+3/5
(8)5x+1/4-2x-1/6=1-3-x/12
(9)3(x-7)-2[9-4(2-x)]
(10)3/4[4/3(1/2x-1/4)-8=3/2x
(11)2/3[5(2x-3/5)-5/4]=x
(12)x-1/3[x-1/3(x-9)]=1/4(x-9)
(13)x+3/0.2-0.4x-1/0.5=-2.5
(14)0.1x-0.2/0.02-x+1/0.5=3
(15)0.1x/0.03-0.9-0.2x/0.7=1
看了(1)10y+7=22y-5-...的网友还看了以下：
由4个不同的数字1,2,4,X组成无重复的三位数字,（1）若X=9,其中能被3整除的有多少个.（2 2020-04-27 …
解方程：(5x-1)/3=(2x+1)/2-(2-x)/6 |5x+4解方程：(5x-1)/3=( 2020-05-16 …
几道数学方程,帮忙解下.5x-3=-x+34y-7=6y-95(x-1)=3(x+1){(2x-1 2020-06-12 …
解方程x-5分之12=5分之730.4÷（4-x）=145÷（x+2)=0.23x-4乘6=4.8 2020-07-18 …
急X－2/7X=3/470%X+20%X=3.625%+10X=4/5X-15%X=68X＋3/8 2020-07-18 …
解一元一次方程题11.y-2-18y/6=y/9+212.x+2/4-2x-3/6=113.x-1 2020-07-19 …
一元一次不等式组(1){x+2≥0,3x-1/2＜2x+1/3(2){2/5(3-x)+2＜-2, 2020-07-29 …
用因式分解法解下列方程(1)℃x-14=0(2)℃x=3x+18(3)℃x-14=5x用因式分解法 2020-08-03 …
1、(a+1)(a-1)(1+a²)2、(-7xy-y)(-7xy+y)3、-(x-1)(x+1)- 2020-11-01 …
2）（a²+ab)/(a²-ab)÷(a+b)/(a-b)3)(x²-3x+2)/(x²-5x+6) 2020-11-24 …