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

游客2024-01-12 40

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:https://www.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

Accordingtogovernmentstatistics,menofallsocialclassesinBritainvi
Youshouldspendabout20minutesonQuestions15-27,whicharebasedonReading
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
以下关于空值(NULL)的叙述正确的是A.空值等同于数值0 B.VisualF
海洋权益是国家领土向海洋延伸形成的权益。下图为我国海洋权益范围划分示意图，
人在每一瞬间，将心理活动选择了某些对象而忽略了另一些对象。这一特点指的是注意的（
某企业通过相关软件记录登录网络浏览者浏览企业网页时所点击的内容．该企业采用的
电动调节阀的电动执行机构和碟阀配合工作的要求，输出方式是（　）。A.直行程 B
某省志愿者组织为艾滋病孤儿建立爱心学校，提供教育和生活资助，体现了我国艾滋病控制
Kernig征与Lasegue征(直腿高举试验)检查时有什么不同?

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、

Accordingtogovernmentstatistics,menofallsocialclassesinBritainvi

Youshouldspendabout20minutesonQuestions15-27,whicharebasedonReading

Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the

以下关于空值(NULL)的叙述正确的是A.空值等同于数值0 B.VisualF

海洋权益是国家领土向海洋延伸形成的权益。下图为我国海洋权益范围划分示意图，

人在每一瞬间，将心理活动选择了某些对象而忽略了另一些对象。这一特点指的是注意的（

某企业通过相关软件记录登录网络浏览者浏览企业网页时所点击的内容．该企业采用 的

电动调节阀的电动执行机构和碟阀配合工作的要求，输出方式是（ ）。A.直行程 B

某省志愿者组织为艾滋病孤儿建立爱心学校，提供教育和生活资助，体现了我国艾滋病控制

Kernig征与Lasegue征(直腿高举试验)检查时有什么不同?

某企业通过相关软件记录登录网络浏览者浏览企业网页时所点击的内容．该企业采用的

电动调节阀的电动执行机构和碟阀配合工作的要求，输出方式是（　）。A.直行程 B