SOLUTION: What is the value of the y variable in the solution to the following system of equations? 5x + 4y = 1 4x + 3y = -1

Algebra ->  Expressions-with-variables -> SOLUTION: What is the value of the y variable in the solution to the following system of equations? 5x + 4y = 1 4x + 3y = -1      Log On


   

Question 315328: What is the value of the y variable in the solution to the following system of equations?
5x + 4y = 1
4x + 3y = -1
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Multiply the first equation by 4. Multiply the second equation by -5.

Add the two equations term-by-term. The coefficient on the variable will go to zero leaving you with a single equation in that you can solve by ordinary means.

John