How do you solve the system of equations #-3x-4y=20# and #x-10y=16#?
2 Answers
Explanation:
Given system of equations
Multiplying (2) by
setting
Express
Explanation:
To get a very fast answer to your problem, just use one of the two equations to express
So, we have the following system:
If we express
Then we replace
Then develop the brackets:
Solve for
Then replace
Solve for
Finished!