I think you should use the addition method. In the substitution method, you have to solve for one of the variables, then plug it into ...

Solution Summary

The solution consists of:
(1) brief explanations of how to do the substitution method and the addition method
(2) which method is easier in this case
(3) how to use that method to find the solution to this system of equations.

Differential Equations - Systems of Equations, Laplace Transform System of Equations. I am looking for help with review problems for my final exam. ...

... To solve the following system of equations by addition, we can multiply the first equation by 2 and the second by 3 and then add. 3x - y = 9 2x + y = 6. ...

The solution gived detailed steps on solving various questions on the linear system of equations. ... Solve linear system of equation x - 3y = -6 5x + 3y = 42. ...

Solve the system of equations by graphing. ... (-6, 1) and (2,3). 6. Determine whether the given ordered pair is a solution of the system of equations. ...

... So, the solution to the system of equations (1) and (2) is x=1500 and y=80. ... The solution discusses real life scenario based on systems of linear equations. ...

Solve the following systems of equations using the method outlined in ... The three systems are: ... substitution and finding the values of x that solve this system. ...

... e. Assume that the estimated regression equation developed in ... a) will also apply to hydration systems produced by ... price for the Back Draft system produced by ...

... This can only comes from the initial condition of the original heat equation system: (1.13) This gives: (1.14) So if we expand the initial condition in terms ...