若4X+3Y+5=0，则3（8Y-X）-5（X+6Y-2)的值等于____.
答案:5 悬赏:40 手机版
解决时间 2021-02-13 17:12
- 提问者网友：我是女神我骄傲
- 2021-02-12 19:45
若4X+3Y+5=0，则3（8Y-X）-5（X+6Y-2)的值等于____.
最佳答案
- 五星知识达人网友：思契十里
- 2021-02-12 20:40
4X+3Y+5=0
4X+3Y=-5
3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
4X+3Y=-5
3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
全部回答
- 1楼网友：旧脸谱
- 2021-02-13 00:06
20
括号都打开，整理得
-8x-6y+10 =?
已知 4x+3y=-5
代进去
括号都打开，整理得
-8x-6y+10 =?
已知 4x+3y=-5
代进去
- 2楼网友：第四晚心情
- 2021-02-12 22:50
4X+3Y+5=0
4X+3Y=-5
3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
纯手打，望采纳
4X+3Y=-5
3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
纯手打，望采纳
- 3楼网友：逃夭
- 2021-02-12 22:04
3（8Y-X）-5（X+6Y-2)
=24y-3x-5x-30y+10
=-8x-6y+10
=-2(4x+3y+5)+20
=-2*0+20
=20
=24y-3x-5x-30y+10
=-8x-6y+10
=-2(4x+3y+5)+20
=-2*0+20
=20
- 4楼网友：我住北渡口
- 2021-02-12 21:22
因为4X+3Y+5=0
所以4X+3Y=-5
所以3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
所以4X+3Y=-5
所以3（8Y-X）-5（X+6Y-2)
=24Y-3X-5X-30Y+10
=-8X-6Y+10
=-2(4X+3Y)+10
=-2*(-5)+10
=20
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯