Mathematics
Mathematics, 28.06.2019 18:30, yolo123321

Which method works best to solve the following system of linear equations? 2x-5y=34-2x+3y=-12a. addition method b. substitution methodc. neither

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Mathematics, 23.08.2019 08:30, vale2652
Substitution and elimination are two symbolic techniques used to solve linear equations. for example, if it is easy to set up an equation for substitution where 1 variable is on 1 side, then use that; for example, 4y=16+4x, you can easily divide by 4, get y=4+x (or y=x+4), and plug that into the other equation. in other cases where it may not be so easy fractions/decimals, etc., then you would probably rather use elimination. 1) the substitution method. this method is best utilized when one of the variables in one of the equations has a coefficient of 1 or -1, otherwise you will introduce fractions. substitution can also be used for nonlinear systems of equations. (2) linear combinations also called the elimination method, multiplication and addition method, my personal favorite as it can be done efficiently. it generalizes well to larger systems and is the underpinning of various other solution methods. as the name implies it requires the equations to be linear. you need to know both and be comfortable switching between them. can we get one for the elimination method too? also, can you solve the same problem using either of the two techniques?
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Mathematics, 01.11.2019 19:31, Marqiuse412
Will give brainliest fast i have 3 questions for math 1. two lines have the given equations. use the linear combination method to solve. 2x-y=1 3x-y=-6 2. solve the system of equations using the substitution method 4x+2y = 10 y = 4x + 2 3. solve the system of equations using any method 6x – y = 2 y = 3x + 4 with work
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Mathematics, 01.11.2019 19:31, lejeanjamespete1
will give brainliest fasti have 3 questions for math1. two lines have the given equations. use the linear combination method to solve.2x-y=13x-y=-62. solve the system of equations using the substitution method4x+2y = 10y = 4x + 23. solve the system of equations using any method6x – y = 2y = 3x + 4with work
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