# 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!