How do you solve the system #-2x -8y = 4# and #5x-5y=20#?
1 Answer
Aug 8, 2015
Note: As stated in the comments, this question has been modified. If the original intent was correct (2 equations in 4 variables), no solution is possible.
Explanation:
[1]
[2]
Simplifying [1] by dividing by
[3]
Simplifying [2] by dividing by
[4]
Subtract [4] from [3]
[5]
Divide by
[6]
Substituting
[7]
[8]