# How do you find the solution of the system of equations #3x + 6y = 18# and #2x + 5y = 20#?

##### 1 Answer

May 13, 2015

You just need to isolate

Let's isolate

Now, we replace this found

Now, you just replace this

(There are other possible ways, for example using matrixes or subtracting one equation from another, but I would only recommend that in case you have MORE than two variables. The resolution I posted appears to be the simplest).