# How do you solve 2x+5y=3 and x-3y=7?

##### 1 Answer

Sep 28, 2015

#### Answer:

The system has a solution:

#### Explanation:

First we multiply the second equation by

Now we can add the equations to get an equation with one unknown only:

Now we can calculate, that

If we substitute the value of

So

Finally we can write the solution: