3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =4x-8=12 28-7X7 4+3X=34 = = = = = =
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3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =4x-8=12 28-7X7 4+3X=34 = = = = = =
3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =
4x-8=12 28-7X7 4+3X=34
= = =
= = =
3X+6=12 40-4X=20 5+6X=35 18=2X-6 20=38-2X = = = = = = = = =4x-8=12 28-7X7 4+3X=34 = = = = = =
3X+6=12
3x=6
x=2
40-4X=20
4x=20
x=5
5+6X=35
6x=30
x=5
18=2X-6
2x=24
x=12
20=38-2X
2x=18
x=9
4x-8=12
4x=20
x=5
28-7X=7
7x=35
x=5
4+3X=34
3x=30
x=10
3X+6=12
3x=12+6
x=18/3
x=6
40-4X=20
40-20=4x
x=20/4
x=5
5+6X=35
6x=35-5
x=30/6
x=5
18=2X-6
2x=18+6
x=24/2
x=12
20...
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3X+6=12
3x=12+6
x=18/3
x=6
40-4X=20
40-20=4x
x=20/4
x=5
5+6X=35
6x=35-5
x=30/6
x=5
18=2X-6
2x=18+6
x=24/2
x=12
20=38-2X
2x=38-20
x=18/2
x=9
4x-8=12
4x=12+8
x=20/4
x=5
4+3X=34
3x=34-4
x=30/3
x=10
收起
4x=12+8 =28-49 3x=34-4
x=5 =-21 x=10
就是把含x的单独放在一边,就可以了能帮我做吗,我真的不会1.3x=12-6 2.4x=40-20 3.6x=35-5 4.2x=18+6 5.2x=38-20 6.4x=12+8 x=2 x=5 x=5 x=12 x=9 x=5...
全部展开
就是把含x的单独放在一边,就可以了
收起
3X+6=12
3x=12-6
3x=6
x=2
40-4X=20
4x=40-20
4x=20
x=5
5+6X=35
6x=35-5
6x=30
x=5
18=2X-6
2x=18+6
2x=24
x=12
20...
全部展开
3X+6=12
3x=12-6
3x=6
x=2
40-4X=20
4x=40-20
4x=20
x=5
5+6X=35
6x=35-5
6x=30
x=5
18=2X-6
2x=18+6
2x=24
x=12
20=38-2X
2x=38-20
2x=18
2x=18
x=9
4x-8=12
4x=12+8
4x=20
x=5
28-7X=7(猜的)
7x=28+7
7x=35
x=5
4+3X=34
3x=34-4
3x=30
x=10
收起