5x+200=600-3x 5x-4=4x-3 79-3乘(x-1)=70.6 8乘 (2X-7)=5(x=13) 0.2乘(5x-1)=3+(19-5x)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 07:10:21
![5x+200=600-3x 5x-4=4x-3 79-3乘(x-1)=70.6 8乘 (2X-7)=5(x=13) 0.2乘(5x-1)=3+(19-5x)](/uploads/image/z/113095-55-5.jpg?t=5x%2B200%3D600-3x+5x-4%3D4x-3+79-3%E4%B9%98%28x-1%29%3D70.6+8%E4%B9%98+%EF%BC%882X-7%29%3D5%28x%3D13%29+0.2%E4%B9%98%285x-1%EF%BC%89%3D3%2B%EF%BC%8819-5x%29)
5x+200=600-3x 5x-4=4x-3 79-3乘(x-1)=70.6 8乘 (2X-7)=5(x=13) 0.2乘(5x-1)=3+(19-5x)
5x+200=600-3x 5x-4=4x-3 79-3乘(x-1)=70.6 8乘 (2X-7)=5(x=13) 0.2乘(5x-1)=3+(19-5x)
5x+200=600-3x 5x-4=4x-3 79-3乘(x-1)=70.6 8乘 (2X-7)=5(x=13) 0.2乘(5x-1)=3+(19-5x)
5x+200=600-3x
5x+3x=600-200
8x=400
x=50
5x-4=4x-3
5x-4x=4-3
x=1
79-3(x-1)=70.6
79-3x+3=70.6
3x=82-70.6
3x=11.4
x=3.8
8(2x-7)=5(x+13)
16x-56=5x+65
11x=121
x=11
0.2(5x-1)=3+19-5x
x-0.2=22-5x
6x=22.2
x=3.7
一,8x=400.x=50
二,x=1.三,79-3x+3=70.82-3x=70.x=4.
??
5x+200=600-3x
5x+3x=600-200
8x=400
x=50
5x-4=4x-3
5x-4x=4-3
x=1
79-3(x-1)=70.6
79-3x+3=70.6
3x=82...
全部展开
5x+200=600-3x
5x+3x=600-200
8x=400
x=50
5x-4=4x-3
5x-4x=4-3
x=1
79-3(x-1)=70.6
79-3x+3=70.6
3x=82-70.6
3x=11.4
x=3.8
8(2x-7)=5(x+13)
16x-56=5x+65
11x=121
x=11
0.2(5x-1)=3+19-5x
x-0.2=22-5x
6x=22.2x=3.70| 评论
收起