# How do you find the point of intersection for #x+y=3# and #2x-y= -3#?

##### 2 Answers

Jun 26, 2015

The given lines intersect at

#### Explanation:

[1]

[2]

add [1] and [2]

[3]

[4]

substituting

Jun 26, 2015

I found the point of intersection of coordinates:

#### Explanation:

You basically solve the System of the two equations trying to find values of

From the first you can isolate

now you can substitute this

substitute back this value into the first equation to find