Question

Solve this system of equations. Please write your answer as an ordered pair.

-5x-8y=17

2x-7y=-17

Answer 1

These are fun! Which method do you prefer? Substitution or addition?

Answer 2

Whichever one is the easy one to understand..

Answer 3

Addition is probably the way to go with something like this. Let's get to work!

Answer 4

Alright Whats the first step or where do I start first?

Answer 5

The thing you have to remember here is that you are tryng to solve for one variable at a time, so you can use its value to find the other one. So we will work to eliminate the x term first.

Answer 6

Alright

Answer 7

What we will do is to multiply the first equation by 2 and the second equation by 5, and when we do that, watch what happens: