58-x=x+23 移项
x+x=58-23 合并同类项
2x=34 系数化为一
x=17算错了吧,58-23等于34?……
58-x=x+23 移项
x+x=58-23 合并同类项
2x=35系数化为一
x=17.5
猜你喜欢
- 1Jane is a good student.She often hard work.病句改错.
- 21m/s=( )km/h
- 3there is an egg in the river,where is it from?
- 4The box is too heavy for the little boy to carry
- 5在一个串联电路中,连接顺序大致是,电源-小灯泡A-电流表A1-小灯泡B-电流表A2-电键-电源,闭合电键后发现A1的示数比A2的示数要大些,造成这个现象的可能原因是?(写2点)
- 6用户be concerned about 造句
- 7三边为4,根号3,根号7的直角三角形∠A=?,∠B=?
- 8What do you think of the idea that people with no work to do should participate in volunteer activities?
- 9英文have a cold=have a fewer?
- 10根据所给的语言材料,运用对偶知识对出下联