How do you solve the following linear system: x + 2y = 13, 3x + 2y = 5 ?
1 Answer
Explanation:
First, line up the equations as an addition problem:
___
As you can see, both equations have a
Now, put the addition problem back together:
..........
________,
..........
Now, divide each side by
Since we know the value of
Add
______,
...................
Now, divide each side by