解方程,怎么写(1)50-x=8.09 (2)5X-16=40+3x (3)2(X-12)+0.8=6.8 (4)
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/10/07 01:54:33
解方程,怎么写
(1)50-x=8.09
(2)5X-16=40+3x (3)2(X-12)+0.8=6.8 (4)x÷2+3.5=7.5x(5)4.8-4x=1.2+5x(6)12.5x-0.41=8.4x(7)3.2x+2.4=1.8x+3.8(8)4.5(2x+6)÷2=18(9)21.6-3x=x+1.6(10)2(x-12)+0.8=6.8(11)0.6(2x-1.8)=3.18(12)3(8-2x)=6x(13)9(x-3)=6(x+2)
(1)50-x=8.09
(2)5X-16=40+3x (3)2(X-12)+0.8=6.8 (4)x÷2+3.5=7.5x(5)4.8-4x=1.2+5x(6)12.5x-0.41=8.4x(7)3.2x+2.4=1.8x+3.8(8)4.5(2x+6)÷2=18(9)21.6-3x=x+1.6(10)2(x-12)+0.8=6.8(11)0.6(2x-1.8)=3.18(12)3(8-2x)=6x(13)9(x-3)=6(x+2)
1 x=50-8.09=41.99
2 2x=56 x=28
3 2(x-12)=8 x-12=4 x=16
4 3.5=7x x=0.5
5 3.6=9x x=0.4
6 4.1x=0.41 x=0.1
7 1.6x=1.6 x=1
8 4.5(2x+6)=36 2x+6=8 x=1
9 20=4x x=5
10 2(x-12)=6 x-12=3 x=15
11 2x-1.8=5.3 2x=6.1 x=3.05
12 8-2x=2x x=2
13 1.5(x-3)=x+2 0.5x=6.5 x=13
再问: 4.8-4x=1.2+5x3.2x+2.4=1.8x+3.821.6-3x=x+1.63(8-2x)=6x9(x-3)=6(x+2)
2 2x=56 x=28
3 2(x-12)=8 x-12=4 x=16
4 3.5=7x x=0.5
5 3.6=9x x=0.4
6 4.1x=0.41 x=0.1
7 1.6x=1.6 x=1
8 4.5(2x+6)=36 2x+6=8 x=1
9 20=4x x=5
10 2(x-12)=6 x-12=3 x=15
11 2x-1.8=5.3 2x=6.1 x=3.05
12 8-2x=2x x=2
13 1.5(x-3)=x+2 0.5x=6.5 x=13
再问: 4.8-4x=1.2+5x3.2x+2.4=1.8x+3.821.6-3x=x+1.63(8-2x)=6x9(x-3)=6(x+2)
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