Solve the system by the addtion method,and identify the value of y of the solution.3x - y = 55x + 3y = -1

Solve the system by the addtion method,and identify the value of y of the solution.3x - y = 55x + 3y = -1 Solve the system by the substitution method,and identify the value of x of the solution.2x - 5y = 3y = -2x + 1 Rejected by the payment system是什么意思 reserved by the guest operating system是什么意思 英语翻译1 solving quadratic functions2 solve by factoring3 solve by taking the square root4 solve by using the quadratic formula5 solve by completing the square6 complex numbers7 simplify the following8 the discrimiant9 for the following function 求解一道数学题,英语的!solve the system of equations y=-0.5x and y=1.5x+4 by elimination and graphing.题目我看懂了.但是不会做啊.尤其是那个elimination的做法.求助. you can easily solve the problems by--- (work)in paris You can solve the problem by ourselves的同义句 Do you learn English by(solve) the grammar problems? 英语口语-The Golden Weeka.Does the Golden Week system bring some opportunities to China?Illustrate them.b.How about the pressure caused by it?c.Should the Golden Week system be canceled?Or could you give some advice to solve this problem.这 work done to the system和work done by the system的区别 同义句转换he has decided to solve the problem by himself he has_ a _ to solve the problem he can solve the problem by himself (对by himself提问?） Please leave Mike solve the problem by himself.这句话哪里应该加s,leave还是solve Emissions trading system is a market-based mechanisms of environmental economic policies.Article on the emissions trading system,the origin,characteristics and advantages of the analysis,evaluation shows that emissions trading system is to solve a pr Can you solve such problems____were raised by the audience?Can you solve such problems____raised by the audience?A.what B.as C.that D.which为什么不用that Key__(solve) the problem is to meet thr damand__ (make)by the customers. 英语翻译Computer software can be roughly divided into two kinds:the system programs,which manage the operation of the computer itself,and the application programs,which solve problems for their users.The most fundamental of all the system program