请问,这四道一元一次方程的题目我做对了吗?(1)9-3Y=5Y+59-5=-3Y-5Y-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X+484X+6X-12X=48+6-2X=54X=27(3)2(X+8)=3(X-1)2X+8=3X-32X-3X=-3-8-1X=-5X=5(4)8X=-2(X+4)8X=2X+88X-2X=86X=8X=8分之6
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 13:46:27
![请问,这四道一元一次方程的题目我做对了吗?(1)9-3Y=5Y+59-5=-3Y-5Y-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X+484X+6X-12X=48+6-2X=54X=27(3)2(X+8)=3(X-1)2X+8=3X-32X-3X=-3-8-1X=-5X=5(4)8X=-2(X+4)8X=2X+88X-2X=86X=8X=8分之6](/uploads/image/z/2000643-51-3.jpg?t=%E8%AF%B7%E9%97%AE%2C%E8%BF%99%E5%9B%9B%E9%81%93%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E9%A2%98%E7%9B%AE%E6%88%91%E5%81%9A%E5%AF%B9%E4%BA%86%E5%90%97%3F%EF%BC%881%EF%BC%899-3Y%3D5Y%2B59-5%3D-3Y-5Y-2Y%3D4Y%3D-2%282%29+4X%2B3%282X-3%29%3D12-%28X%2B4%294X%2B6X-6%3D12X%2B484X%2B6X-12X%3D48%2B6-2X%3D54X%3D27%283%292%28X%2B8%29%3D3%28X-1%292X%2B8%3D3X-32X-3X%3D-3-8-1X%3D-5X%3D5%284%298X%3D-2%28X%2B4%298X%3D2X%2B88X-2X%3D86X%3D8X%3D8%E5%88%86%E4%B9%8B6)
请问,这四道一元一次方程的题目我做对了吗?(1)9-3Y=5Y+59-5=-3Y-5Y-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X+484X+6X-12X=48+6-2X=54X=27(3)2(X+8)=3(X-1)2X+8=3X-32X-3X=-3-8-1X=-5X=5(4)8X=-2(X+4)8X=2X+88X-2X=86X=8X=8分之6
请问,这四道一元一次方程的题目我做对了吗?
(1)9-3Y=5Y+5
9-5=-3Y-5Y
-2Y=4
Y=-2
(2) 4X+3(2X-3)=12-(X+4)
4X+6X-6=12X+48
4X+6X-12X=48+6
-2X=54
X=27
(3)2(X+8)=3(X-1)
2X+8=3X-3
2X-3X=-3-8
-1X=-5
X=5
(4)8X=-2(X+4)
8X=2X+8
8X-2X=8
6X=8
X=8分之6
请问,这四道一元一次方程的题目我做对了吗?(1)9-3Y=5Y+59-5=-3Y-5Y-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X+484X+6X-12X=48+6-2X=54X=27(3)2(X+8)=3(X-1)2X+8=3X-32X-3X=-3-8-1X=-5X=5(4)8X=-2(X+4)8X=2X+88X-2X=86X=8X=8分之6
(1) 9-5=-3Y+5Y
(2)4X+6X-9=12-X-4
(3)2X+16=3X-3
(4) 8X = -2X - 8
(1) 9-5 = 5Y+3Y, 4 = 8Y, Y = 1/2
(2) 你的原题好像写错了。 4X + 6X - 9 = 12 -X -4, 11X = 17, X = 17/11
(3) 2X + 16 = 3X -3, X = 16+3, X = 19
(4) 8X = -2X - 8, 10X = -8, X = -4/5