已知|X+Y-1|与|Y+3|互为相反数,求X-Y的值.
人气:244 ℃ 时间:2020-06-25 01:39:37
解答
解
|X+Y-1|与|Y+3|互为相反数
∴|X+Y-1|+|Y+3|=0
∴x+y-1=0
y+3=0
∴y=-3
∴x=4
∴x-y=4+3=7谢谢啦~不用谢,记得采纳是对答题者的尊重,谢谢
推荐
- 已知3√ y-1与3√ 1-2x互为相反数,求√y/x的值.(x≠0)
- 若|x-y+3|与|x+y-1999|互为相反数,求x+y/x−y的值.
- 已知2003(x+y)的平方与1/2x+3/2y-1的绝对值的值互为相反数求x,y的值
- 已知|x+2y+3|与(2x+y)*互为相反数,则x-y的值为
- 已知|x+3|与|y-2|互为相反数,求x+y的值
- I have just bought a new bike.这句话是对的,可是买是不可延续的啊,
- △abc是等边三角形,D是AB的中点,E在AC上,AE:EC=1:3,则∠ADE=
- The desk has two d_____ and there are some books in them. Your r_____is big and bright.
猜你喜欢