4.7k views
10 votes
What is the solution to the system of equations?
6x-2y=-14
4x-3y=-31​

1 Answer

2 votes

Answer:

x = -4 and y = -5

Explanation:

6x - 2y = -14

4x - 3y = -31

So first, you want to make one of the terms the same, so they can cancel out, in order to find x or way

In this case, we will make the y terms the same, in order to find the x terms

To do this, times the first equation by 3, which gives you:

18x - 6y = - 42

And times the second equation by 2, which gives you:

8x - 6y = - 62

Now, as we have the y terms, both alike, you can cancel them out

You are now left with the following two equations:

18x = -42

8x = -62

The next step is to add them, as the previous - and -, makes a +

This means you are left with one equation :

26x = -104

Now divide by 26 on each side to get:

x = -4

As you have x, you substitute it into one of the ORIGINAL equations.

6x - 2y = -14

Substitute x in:

6(-4) - 2y = -14

-24 - 2y = -14

Add 24 on each side to get:

-2y = 10

y = -5

User Annk
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories