Solve each of the following systems of equations for x and y.(a) x+y = 24 x-y=

游客2024-01-12 55

问题 Solve each of the following systems of equations for x and y.
(a) x+y = 24
x-y=l8
(b) 3x-y = -5
x + 2y = 3
(c) 15x- 18 - 2y =-3x+y
10x + 7y + 20 = 4x + 2 [br]

选项

答案 x=1/2
y = -3

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3355868.html

相关试题推荐

Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Whichofthefollowingistheclosestapproximationof[img]2011q3/ct_egmatqj_eg
Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno
If(x-1)2=144,whichofthefollowingcouldbethevalueof2x?A、-26B、-22C、-11
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?A、|r
Whichofthefollowingcouldbetheequationoflinelinthefigureabove?[img]
Thesquarerootof800isbetweenwhichofthefollowingintegers?A、21and25B、
Whichofthefollowingisequaltox24forallpositivevaluesofx?A、x12+x12B、

随机试题

Thinkgolfis【C1】______game?Thinkagain.ResearchersincludingDebbieCrews
ArecentstudybyresearchersattheUniversityofMarylandpredictedapers
Thephrase"men’ssurenessoftheirsexrole"inthefirstparagraphsuggestst
[originaltext]M:Excuseme,wherecouldIfindrice?W:Theregular-pricedish
用人单位和劳动者签订劳动合同要遵循（）的原则。A.平等自愿、协商一致 B.公
顶管法顶进长度超过（）应有预防缺氧、窒息的措施。A.20m B.30m
荀子日：“不闻不若闻之，闻之不若见之。”这句话所体现的教学原则是()。A.启发性
“活到老，学到老”，要求教师坚持（　　）的职业道德规范。A.为人师表 B.
动荡不安的伊拉克是当今世界关注的焦点，伊拉克所在的两河流域是世界文明的发祥地之一
血糖浓度低时，脑仍能摄取葡萄糖而肝不能是因为A.脑细胞膜葡萄糖载体易将葡萄糖转运

最新回复(0)

Solve each of the following systems of equations for x and y.(a) x+y = 24 x-y=

Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements

Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements

Whichofthefollowingistheclosestapproximationof[img]2011q3/ct_egmatqj_eg

Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno

If(x-1)2=144,whichofthefollowingcouldbethevalueof2x?A、-26B、-22C、-11

Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements

Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?A、|r

Whichofthefollowingcouldbetheequationoflinelinthefigureabove?[img]

Thesquarerootof800isbetweenwhichofthefollowingintegers?A、21and25B、

Whichofthefollowingisequaltox24forallpositivevaluesofx?A、x12+x12B、

Thinkgolfis【C1】______game?Thinkagain.ResearchersincludingDebbieCrews

ArecentstudybyresearchersattheUniversityofMarylandpredictedapers

Thephrase"men’ssurenessoftheirsexrole"inthefirstparagraphsuggestst

[originaltext]M:Excuseme,wherecouldIfindrice?W:Theregular-pricedish

用人单位和劳动者签订劳动合同要遵循（）的原则。A.平等自愿、协商一致 B.公

顶管法顶进长度超过（）应有预防缺氧、窒息的措施。A.20m B.30m

荀子日：“不闻不若闻之，闻之不若见之。”这句话所体现的教学原则是()。A.启发性

“活到老，学到老”，要求教师坚持（ ）的职业道德规范。A.为人师表 B.

动荡不安的伊拉克是当今世界关注的焦点，伊拉克所在的两河流域是世界文明的发祥地之一

血糖浓度低时，脑仍能摄取葡萄糖而肝不能是因为A.脑细胞膜葡萄糖载体易将葡萄糖转运

“活到老，学到老”，要求教师坚持（　　）的职业道德规范。A.为人师表 B.