1、一元一次方程练习卷(一)
姓名:_________ 班级:____________ 成绩:_______________
(1) 3x=5x-4 (2) 7x-5=x+2 (3)7x=6x+12
(4) 16=4x (5) 15-x=2x (6)3(y+4)=12;
(7)4x-3(20-x)=6x-7(9-x) (8)10y+7=12y-5-3y
(9
2、)2(3y-4)+7(4-y)=4y (10)2-(1-z)=-2
(11)= (12)(2y+3)=8(1-y)-5(y-2);
(13)3x-[1-(2+3x)]=7 (14)=x-
(15)1-=. (16)-=0.5
(17) (18)
(19) (20)[()-4]=x+2
(21)3(2y+1)=2(1+y)+3(y+3) (22)(46){x-[x-(x-)]}=1
(23)20%+(1-20%)(320-x)=320×40% (24)3x-26+6x-9=12x+50-7x-5;
(25)
3